Answer:
B
Explanation:
If the oldest fossils showed legs and the more recent ones had only flippers, it would show the change over time.
Which of the following stars is likely to be the dimmest? The hottest star The least massive star The star that is blue in color The star with the fastest fusion rate
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Explanation: btw its B the least massive star
the functions of stem
How many lights were used...
Answer:b
Explanation:
If the population runs out of food after 6 hours, what would most likely happen to the graph line between 8 and 10 hours?
It would level off.
It would decline.
It would continue to increase.
What is the main difference between a food chain and a food web
A. There is no difference between them
B. The food chain is a part of the food web but with only one producer, primary consumer, and secondary consumers
C. The food web is a part of the diverse food chain
D. The food chain has land animals and the food web has aquatic animals
(No links)
HELP!!!!!! 50PTS!!!!
Which of the following is a result of artificial selection? (4 points)
Animals with beneficial traits in a given environment survive.
Beneficial traits are selected based on the environment.
Individuals with beneficial adaptations reproduce more and pass traits on to offspring.
Crops and livestock animals bear little resemblance to wild ancestors.
Answer:
Beneficial traits are selected based on the environment.Explanation:
The Bloodhound dog breed was bred in the middle ages for an excellent sense of smell to be used for hunting.
The difference between a dipeptide and a polypeptide?
A dipeptide consists of two amino acids linking together. A polypeptide is more than two amino acids linking together. Polypeptides are long chains with numerous but undefined numbers of amino acids.
Which percentage of DNA would indicate the organisms are more closely related?
A. 30%
B. 10%
C. 20%
D. 95%
Answer:
D
Explanation:
i am sorry if it is wrong
PLZZ HALP Put the following terms in order from the most specific to the broadest (1-9).....
Organelle....Organ....Macromolecule....Atom....Organism....Cell....Organ system....Molecule....Tissue
Answer:
molecule → macromolecule → organelle → cell → tissue → organ → organ system → whole organism.
Explanation:
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Earn 15 point
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A student wants to study the effect of adding thermal energy to a system. Which of the following experiments should the student preform? Heat water and record it's change in temperature with time
Freeze water and record its change of temperature with time
Answer: Option 1: Heat water and record it's change in temperature with time
Explanation:
Thermal Energy = Heat
If the US modifies techniques for timber management, it is expected that US forests will
a. not be able to meet long term timber needs
Incomplete question. The full question read;
If the US modifies techniques for timber management, it is expected that US forests will
a. not be able to meet long term timber needs
b. be able to meet long term timber needs
c. result in deforestation
d. provide increasingly cheaper timber
Answer:
b. be able to meet long term timber needs
Explanation:
Remember, the emphasis here is on the modification of the present techniques for timber management in order to boost productivity.
Hence, we can conclude that since there would be an improvement in production efficiency, the US would be able to meet its long-term timber needs.
Answer:
b.
be able to meet long term timber needs
Explanation:
Which answer best identifies the difference between the two types of cellular transport? (B.4B) Question 3 options: Active transport uses ATP to move molecules against the concentration gradient. Facilitated diffusion uses ATP to move molecules down the concentration gradient. Diffusion move molecules through the cell membrane from an area of low to high concentration. Active transport uses ATP to move molecules against the concentration gradient. Active transport uses ATP to move molecules against the concentration gradient. Facilitated diffusion does not need ATP, but uses protein channels to move molecules down the concentration gradient. Facilitated diffusion does not need ATP, but uses protein channels to move molecules down the concentration gradient. Active transport uses ATP to move molecules down the concentration gradient.
Answer:
Active transport uses ATP to move molecules against the concentration gradient.Facilitated diffusion does not need ATP, but uses protein channels to move molecules down the concentration gradientExplanation:
Transmembrane proteins, among others, are the channel proteins and the carrier proteins, and they are in charge of substances transport into or out of the cell.
Channel proteins are involved in passive transport, and facilitated diffusion is a kind of passive transport. Facilitated diffusion transport hydrophilic molecules that can not freely move through the membrane. Channel proteins carry them from one side to the other of the membrane, following the electrochemical gradient, so they do not need energy to carry in or out substances. Uncharged molecules´ movement depends on concentration gradients, while ions´ movement depends on an electrochemical gradient.Carrier proteins are involved in active transport. Active transport acts against the electrochemical gradient, so it does need the energy to transport substances. It carries molecules from a low concentration side to a high concentration side. The used energy comes from ATP (Na-K bomb) or the membrane´s electric potential.
Using the information in the table below, determine the amino acid
sequence
that is coded for by this mRNA sequence.
Answer:
You just have to look at the letters and figure it out. It's pretty simple
Explanation:
When-inserting-a-new gene into an organism, the gene could come from the same species or it could come from a different species.
Generate at least three questions you could research about each scenario.
Answer:
Can you put a gene from a certain species into a different species?
Can you put a gene from one organism into the same organism?
What is a new gene?
PLEASE DO THIS WITH YOUR OWN WORDS 20 POINTS
Explain how Earth's atmosphere has changed over time.
Answer:
It describes changes in the state of the atmosphere over time scales ranging from decades to millions of years. These changes can be caused by processes inside the Earth, forces from outside (e.g. variations in sunlight intensity) or, more recently, human activities.
Explanation:
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The brain sends signals to the rest of the body so that our bodies do what is needed to survive. Explain what the brain tells your body to do if you touch a hot object with your hand.
A) Move your hand away
B) Pump less blood to your hand
C) Slow down your heart rate
Answer:
A
Explanation: I got it correct on a quiz I did that had this question
Move your hand away. Therefore, option (C) is correct.
What is reflex arc?A reflex arc is a neural pathway that mediates a reflex action. It is a rapid and automatic response to a specific stimulus that does not require conscious thought or decision-making from the brain. When a sensory receptor in the body, such as the skin or muscles, is stimulated, a nerve impulse is transmitted to the spinal cord, where it is processed by an interneuron.
The interneuron then sends a signal through a motor neuron to the effector, such as a muscle, causing a rapid and involuntary response, such as pulling your hand away from a hot stove. This entire process occurs without conscious control from the brain, allowing for quick and protective responses to potentially harmful stimuli.
Learn more about reflex arc, here:
https://brainly.com/question/29727145
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SOOOOMMMEEEE OONNNEEE PLLLEEEASSSEEE HEEELPPP ME. WITH THE RED PART ON THE TOP RIGHT CONER I PICKED ALANTIC PUFFIN BECUSSE IT LOOKS LIKE THR BARN OWL IT SAY I CHOSSE ..... BECUSEE... NEED HELP WITH THAT NOOOOOO LINKS
Answer:
they do kinda look similar although i would choose the owl, mainly since there a top predator in the birb species, they hunt at night cause they know thats a time where the main preys at, they can take down full turkeys, other birds of prey/raptors, as well as abduct full grown dogs and cats depending on the size of them (that has happened to me lol) they have a long life span, they look like grey aliens in disguise as an animal to be amongst the human race, as well as a lot of alien abduction stories and alien sightings the people report seeing large owls either before or after there iincounter, i can add more reasons to like owls if you want
Explanation:
They also poop out there full preys skeleton so if you ever find owl poop there will most likely be a full skeleton of an animal in there
Create a meaningful sentence using both words listed in each sentence. Nucleus, chromosome(s), Gene, trai,t Inherit, DNA
How does specialization impact agriculture?
Answer:
In agriculture specialization, farmers produce one crop instead of so many crops. In other words, the farmers, adopt specialized farming. By doing so they avail all those benefits which are accrued to the big businesses. Hence the goods are produced on a large scale.
What did the first cells form from? What kind of cells where
they?
Answer:
The first cells were most likely primitive prokaryotic-like cells, even more simplistic than these E. coli bacteria. The first cells were probably no more than organic compounds, such as a simplistic RNA, surrounded by a membrane.
Answer:
I agree with xXMaryaXx. I'm pretty sure she has the answer you are looking for :)
Explanation:
10. Using the DNA Code below, create mRNA and the tRNA codes:
ACG ACG G C ATTAC AG GTA ACG CC
Answer:
mRNA - UGC UGC C G UAAUG UC CAU UGC GG
Explanation:
tRNA - ACG ACG G C AUUAC AG GUA ACG CC
Look at the diagram.
Which two structures are first to combine in translation?
20004
• 1 and 2
• 3 and 4
• 2 and 3
• 1 and 4
Answer:
2 and 3
Explanation:
which are the tRNA with anticodons and the amino acids
Help pls
All three
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How does random fertilization add to the genetic variation?
Describe the flow of energy to the lion using a food chain from the food web that includes a rabbit.
Answer:
10%
Explanation:
the sun gives energy to the grass (to make it easier to understand, say the sun gives 100un of energy to the plants)
from there, the rabbit eats the grass( 10% of 100 is 10, so the rabbit gets 10un of energy)
and the, a lion eats the rabbit (10% of 10 is 1, so the lion gets 1 un of energy)
every single time a predator consumes prey, it only gets 10% of what the prey gets from its prey.
Hope this helps :)
This cell will have long thin branches that can reach out to other cells, allowing the cells
to (send signals) be affected by and affect this cell.
what cell is this?
Answer:
Nerve cells
Explanation:
Part of the nervous system which is capable of communicating messages to others cells via electrical signals
A short true-breeding plant will always produce a short plant.
True or false
Answer: false
Explanation:
Which of these is NOT a reason why biodiversity is important?
a
Many species around act as a pest control.
b
There are too many animal species in the world causing competition.
c
Biodiversity loss would decrease water quality and available nutrition.
d
Biodiversity ensures food security by supplying a wide variety of plants and animal species for nutrients.
Answer:
i think the answer is d maybe
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Answer:
Hey mate.....
Explanation:
This is ur answer.....
Nitrogen is used by plants for lots of leaf growth and good green color. Phosphorous is used by plants to help form new roots, make seeds, fruit and flowers. Potassium helps plants make strong stems and keep growing fast. It's also used to help fight disease.
Hope it helps,
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Answer:
It keeps the plants that are in it stable and healthy
Explanation: