Answer:
We need to cross a white eyed female (XwXw) and red eyed male (XRY).
The cross can be shown as:
Xw Xw
XR XRXw (female, red eyed) XRXw (female, red eyed)
Y XwY (male, white eyed) XwY (male, white eyed)
Thus, in the offspring we will have the following phenotype:
Males: White eyed.
Females: Red eyed.
Explanation:
As fall arrived, Steven saw that many homes had chrysanthemums planted in their flowerbeds. Their golden colors always signal the oncoming fall season.
Many plants respond to seasonal changes.
Why might a plant such as a chrysanthemum bloom during the fall?
a. the plant may be conditioned to live in a particular climate
b. the plant may be better suited to survive in cooler weather
c. the plant may be unable to adapt to cold weather
d. the plant may not respond to seasonal changes
Answer:
A
Explanation:
Plants such as chrysanthemum bloom during the fall because the plant might be conditioned to live in a particular climate. Thus, the correct option for this question is A.
What are the effects of seasonal changes on plants?The effects of seasonal changes on plants might be determined by the fact that plants also adapt to the seasons if they live in a place that has strong seasons. Plants will shed their leaves during the winter if there isn't enough light, or shed their leaves during the dry season if there isn't enough water.
This response of flowerbeds through chrysanthemums represents the significance of seasonal change through which plants increases their survival. This is due to the conditional behavior shown by plants in order to facilitate their survival in the natural ecosystem.
Therefore, plants such as chrysanthemums bloom during the fall because the plant might be conditioned to live in a particular climate. Thus, the correct option for this question is A.
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PLEASE HELP Match these items.
1. isostasy
trench
2. deepest ocean depths
fjord
3. drowned glaciated valley
plate tectonics
4. theory of crustal structure
subduction
5. oceanic plate going down
buoyancy
Answer:
oceanic plate going down: subduction
theory of crustal structure: plate tectonics
fjord: drowned glaciated valley
isostasy: buoyancy
deepest ocean depths: trench
How many centimeters can air pressure at sea level push a column of mercury up a tube?
1000 cm
30 cm
76 cm
360 cm
Answer: At sea level and at a temperature of 0° Celsius (C), the height of the mercury column is approximately 30 inches, or 76 centimeters. This represents a pressure of approximately 14.7 psia. The 30-inch column is used as a reference standard. Atmospheric pressure does not vary uniformly with altitude.
Name two benefits of physical activity for your physical health
Answer:
It makes us healthy
It makes us strong
(5-7 Sentences for Each Answer) NO LINKS
1. How is the idea of genetic modification helpful or beneficial to society?
2. Are there any drawbacks to genetically modifying a human being?
The data showed that recently the alligator population has decreased. How could the decrease in the alligator population affect the other populations? Be sure to explain whether the gar population, the diving duck population, and the crab population will change, and why.
Answer:
Since the alligator population decreased, this means there are less predators for the gar. Less predators for the gar mean the gar population will increase. More gar means more predators for the crabs, and therefore decrease the crab population. More gar also means more competition for the diving duck in terms of animals that eat crabs, and thus the diving duck population will also decrease.
Explanation:
To fully understand this question it is important to realize the relationship in this food web. It is important to note that the alligators will eat gar, the gar will eat crab, and the diving duck also eat carb. If the predator population decreases, then the amount of prey will be able to increase since there are less predators hunting them. If the predator population were to increase, there would be less prey, since more predators are hunting them.
The data showed the decrease in the population of alligator. The decrease in the population of alligator will increase the population of gar and, which will decrease the population of crabs, and it increases the competition between gar and diving duck.
What is the relationship between different animals?All animals and plants are dependent on each other. In the given picture, the crabs, crocodiles, gar, and diving duck is given.
If there will be fewer crocodiles, the population of gar will increase that affects the population of crabs, because duck and gar both will eat the crabs.
Thus, the decrease in the population of alligator will increase the population of gar and, which will decrease the population of crabs, and it increases the competition between gar and diving duck.
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How did the environment change? (PLEASE ANSWER ASAP!! I WILL AWARD BRAINLIEST) (image below)
1. You cannot tell how the environment changed. With each generation, more guppies passed on the gene for small spots to their offspring.
2. The rocks became smaller. With each generation, more guppies with small spots survived long enough to pass on the gene for small spots to their offspring.
3. The rocks became smaller. Guppies with small spots are more likely to survive, so the guppies with large spots changed to have small spots.
4.The rocks became smaller. Guppies with small spots are more likely to survive, so both kinds of guppies passed on the gene for small spots to their offspring.
Answer:
1.you cannot tell how the environment changed. with each generation, more guppies passed on the gene for small spots to their offspring.
Explanation:
the diagram doesn't show/say anything about the environment changing. it just shows that at time 1 there were an equal amount of guppies with small and large spots and then the second one had more guppies with small spots, meaning that they must've reproduced more and began to outweigh the guppies with large spots.
**hopefully, that makes sense**
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i hope this helps
have a nice day !! **or night**
1. If you were a predator bird, which moth would be
easier prey to hunt? Why?
2. If you were a predator bird, which moth would be
easier prey to hunt? Why?
Brainlist to whoever answers both
Answer:
Explanation: 1. If I were a predator bird I would find summer easier to hunt. This is because in summer all the animals are not hiding in their homes or resting.
2. If I were a predator bird I would find summer easier to hunt. This is because in summer all the animals are not hiding in their homes or resting.
PLEASE GIVE BRAINLIEST!!!!
If I were a predator bird I would find summer easier to hunt. This is because in summer all the animals are not hiding in their homes or resting.
What do you mean by predators?A predator is an organism that eats another organism. The prey is the organism which the predator eats. Some examples of predator and prey are lion and zebra, bear and fish, and fox and rabbit.
Predation is a biological interaction where one organism, the predator, kills and eats another organism, its prey. It is one of a family of common feeding behaviours that includes parasitism and micropredation and parasitoidism.
Predation involves four steps: search, recognition, capture, and handling. The possibility of co-evolution of predator and prey operates at each of these steps. Predators search the environment for acceptable prey.
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What do you notice about Hawaii volcanoes national park and how is it different from others
Answer:
Hawai'i Volcanoes National Park protects some of the most unique geological, biological, and cultural landscapes in the world. Extending from sea level to 13,677 feet, the park encompasses the summits of two of the world's most active volcanoes - Kīlauea and Mauna Loa.
Explanation:
Could the blue jays ever have had thin beaks? (PLEASE ANSWER ASAP!! I WILL AWARD BRAINLIEST) (image below)
1. No blue jays could have been born with a thin-beak trait because none of the adult blue jays had that trait to pass down.
2. No blue jays could have been born with a thin-beak trait in the past, but some with that trait could be born in the future if the environment changes to have pine cones with seeds.
3. A blue jay could have been born with a mutation in its genes for the thin-beak trait and lived for a little while, but it would have been more likely to die before it had offspring.
4. A blue jay could have been born with a mutation in its genes for the thin-beak trait, but having a mutation in its genes would have caused it to die when it was born.
Answer:
i believe the answer is 2)
Explanation:
because birds that eat seeds need to have thinner beaks in order to get to the seed. seeing as how their beaks are currently too large for that, they wouldn't be able to reach the seeds- they would have to adapt to the new environment **if that were to happen**
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**please let me know if this was incorrect**
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Answer: i think its 2
Explanation:
Look at the H-R diagram. Which area of the diagram represents the white dwarfs? Give answer like top, right corner.
A tall plant (Tt) is crossed with a tall plant (Tt).What percentage of the offspring will be short?
I will give brainliest and points!
Do large muscles occur naturally in some other living things? (List the living things and explain why you think these larger muscles occur naturally.)
Answer:
Yes, large muscles occur in some other living things. I think this because lets say you have a cheetah. Well, that cheetah runs very fast AND uses muscular endurances to hunt and chase its prey down. So yes, they start to devolp some large muscles. Some other living things that might have large muscles could be a bear, rhino, lion, tiger, or even a dog. As you can see, its more so the larger animals that devolp these large muscles.
Explanation:
None of this is copyed and pasted.
Sorry if it took to long.
Have a great day and good luck friend!
Brainliest is appreciated.
- Lea
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Answer:
blank. I felt that.
Explanation:
Answer:
zhzhsbsbjssnananaksmxjdbdte
Can someone plz help me ASAP
Answer:
Omosis
Explanation: If the water outside the cell has LESS water than inside, water will move from the inside of the cell to the outside. That is what happened to the Gummy Bear in the salt. The water had to move out of the Gummy Bear to “even out” the concentration of water. The Gummy Bear became smaller with less water to fill it up. So why didn’t the Gummy Bear in salt water get as big as the Gummy Bear in plain water? Since there was sugar in the water AND in the Gummy Bear, the water didn’t have to move as much to “even out” the concentration.
What was the carbon cycle on the prairie like?
Answer:
It stores more carbon below ground than a forest stores above.
Explanation:
Answer:
prairie plants
Explanation:
Roots of prairie plants are developed through centuries of growth. These deep roots will take the carbon out of the air add nutrients to the soil when they die, contributing to rich soil.
Prairie plants are especially adept at storing carbon, locking up large amounts in their roots. In fact, prairies store more carbon below ground than a forest stores above! Deep, complex prairie root systems sequester (store) carbon and – with the help of microorganisms – move it to the soil where it stabilizes.
In a few words, describe the differences in a recessive phenotype and a dominant genotype.
Answer:
Recessive phenotype is that type of phenotype that is expressed by an organism only when both the alleles of a genotype are recessive. Dominant genotype is that type genotype were either one of the alleles or both the alleles are dominant.
Explanation:
Phenotype is the physical appearance of an organism whereas genotype is the genetic makeup of an organism. A recessive phenotype is expressed only when both the alleles are recessive for the trait.
What is genotype and phenotype?
The genotype of an individual is their unique sequence of DNA or genome. More specifically, the term genotype is used to refer to the two alleles a person has inherited for a particular gene from their parents. Phenotype is the physical appearance or expression of the genotype.
Recessive phenotype is the type of phenotype which is expressed by an organism only when both the alleles of a gene are recessive in that organism. And, dominant genotype is the type of genotype which is observed when either one of the alleles or both the alleles are dominant for that trait.
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in the process of photosynthesis and cellular respiration carbon dioxide enters and exits the leaves through
A)chlorophyll
B)phloem
C)stomata
D)xylem
Answer:
the answer is C stompata
Which of the following statements is true about cells and their organelles?
A. Cells are living and the organelles that make them up are also living.
B. Cells are nonliving and the organelles that make them up are living.
C. Cells are living and the organelles that make them up are nonliving.
D. Cells are nonliving and the organelles that make them up are also nonliving.
Answer:
I love science here's a explanation of all of your choices
Explanation:
An organelle (think of it as a cell's internal organ) is a membrane bound structure found within a cell. Just like cells have membranes to hold everything in, these mini-organs are also bound in a double layer of phospholipids to insulate their little compartments within the larger cells.
A Therefore, cells not only make up living things; they are living things. Cells are found in all plants, animals, and bacteria. Many of the basic structures found inside all types of cells, as well as the way those structures work, fundamentally are very similar, so the cell is said to be the fundamental unit of life.
B The key principle is that the smallest unit of life is the cell. ... But anything that makes up a cell necessarily has to not be alive. So all of the organelles in a cell like the nucleus, mitochondria, and endoplasmic reticulum are all non-living
C A non-living thing is not organized into cell(s); a living thing is. Although both non-living and living things are essentially made up of molecules of elements and compounds, a living thing would be made up of biomolecules organized into structures of a cell.
D All living things are made of cells; the cell itself is the smallest fundamental unit of structure and function in living organisms. (This requirement is why viruses are not considered living: they are not made of cells. ... Cells are classified as prokaryotic or eukaryotic.
The diagram shows the life cycle of a pine tree. What does stage 4 show?
Answer:
C
Explanation:
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Ava had a pet goldfish, and she loved feeding it and watching it swim around in its bowl. After four months, she noticed that her fish hadn't grown much, so she looked up information about caring for goldfish. She learned that unless she made changes, her goldfish would remain small.
Look at the picture, and choose the correct words to finish the sentences.
The image shows an example of a(n) ______ affecting her fish's growth. Other conditions that could affect animal growth include ______.
Word Bank: life cycle | internal environmental factor | genes | hormones | external environmental factor | metamorphosis
Answer:
The image shows an example of a(n) internal environmental factor affecting her fish's growth. Other conditions that could affect animal growth include genes and hormones.
Explanation:
tdlr- internal environmental factor, genes, hormones
The image shows an example of an external environment affecting her fish's growth. Other conditions that could affect animal growth include internal environment.
What is environment?An organism's or an ecological community's environment is the collection of physical, chemical, and biological variables that affect it and ultimately decide its form and survival.
Everything in our environment affects us. Whether they are living or not is up to you. It consists of natural forces such as chemical and physical ones.
Environments are where living things exist. They are continually interacting with it and modifying their behavior to fit the circumstances.
Clean air and water, rich land for growing food, as well as energy and material inputs for production, are all provided by good natural surroundings.
The picture demonstrates how an outside environment can effect a fish's growth. Internal environment is another factor that might influence an animal's growth.
Thus, this can be the complete scenario for the gold fish.
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The main factors that determine aquatic biomes include
Amount of sunlight
Types of plants
Dissolved substance
Temperature and precipitation
Select all that apply
Why would diabetes make a person feel tired? Be specific in your response.
(Please be actually specific)
What evidence do astronomers have to support the Big Bang theory?
galaxies are disappearing
galaxies are coming together in a big crunch
galaxies are staying still
galaxies are moving away from each other
Answer:
d.galaxies are moving away from each other
Explanation:
"a" is incorrect because galaxies don't die per-say
"b" the big crunch is about how the universe might end
"c" is also incorrect because everything in our galaxy stays moving and if it were to stop moving it would shrink and if it were to speed up, it would get bigger (the explanation as to why "d" is the correct answer)
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Plants typically absorb carbon dioxide and give off oxygen during the day. However at night this tends to be the opposite and plants will absorb oxygen and give off carbon dioxide.
Please expalin:
A) What are the names of 2 processes are happening in plants that cause this
B) when each process happens
C) why each process happens when it does
(this is science)
Answer:
It happens because of the process of respiration in which plants take in oxygen and give out carbon dioxide. As soon as the sun rises another process called photosynthesis starts, in which carbon dioxide is taken in and oxygen is given out
Explanation:
process: respiration, and photosynthesis
when: as soon as sun rises
why: Plants and animals, in turn, convert the food compounds by combining it with oxygen to release energy for growth and other life activities
Which best describes the differences? (PLEASE ANSWER ASAP!! I WILL AWARD BRAINLIEST) (image below)
1. The cactuses in 1970 had smaller spines than the cactuses in 2015.
2. The cactuses in 1970 had larger spines than the cactuses in 2015.
3. There were more cactuses in 1970 than there were in 2015.
4. There was more variation in spine size in 1970 than there was in 2015.
Answer: 3. There were more cactuses in 1970 than there were in 2015.
Explanation: The 2015 chart presents the exact x-axis domains as of 1970. The only difference is in the y-axis ranges, where there is a more significant number of cacti in 1970 than in 2015.
help pls thx will give brainlyest
Pls help me with this question
Nadine classifies a plant as a fern. Which statement explains her choice? (I will give brainliest if you answer first)
A. She sees cones on the plant
B. She sees needles on the plant
C. She sees flowers on the plant
D. She sees spores on the plant
One way chemical weathering shapes landforms is by?
please answer quick