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Related Questions
what do fossil remains of eariler animals indicate about changes in the animals habitats over time?
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which is true
1.A stimulates B. Then B initiates C.
2.A stimulates C. Then C initiates B.
3. C stimulates A. Then A initiates B.
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Answer:
the answer would have to be A
When a box is set up like this it is really a representation of MEIOSIS. The "H" and "h" on the top of the box really represent . . .
A. all of the alleles present in each parent's non-sex cells.
B. the alleles each parent can contribute in their gametes.
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Answer:
B. the alleles each parent can contribute in their gametes.
Explanation:
This observation forms the second principle of inheritance, the principle of segregation, which states that the two alleles for each gene are physically segregated when they are packaged into gametes, and each parent randomly contributes one allele for each gene to its offspring.
Answer:
B. the alleles each parent can contribute in their gametes.
Explanation:
When a box is set up like this it is really a representation of MEIOSIS. The "H" and "h" on the top of the box really represent the alleles each parent can contribute in their gametes.
Why don't whales have saliva?
______
Kinda curious to know! :3
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The seawater dilute the saliva in them, so the necessary digestive enzymes they can't use.
What process is not used to maintain homeostasis within cells
A. Diffusion
B. Osmosis
C. Dialysis
D. Active Transport
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Answer: D
Explanation:cells cannot change their external environment to maintain homeostasis. They communicate with other cells via cell signaling, they take up nutrients for sustainability and growth, cells also breakdown unwanted molecules as a way of waste management.
Which of the following does NOT contribute to sea level rise?
O Melting of glacial ice sheets on Iceland and Antarctica
O Melting of mountain glaciers
O Melting of sea ice in the Arctic Ocean
O Expansion of ocean water as it warms
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Answer:
D is the correct option
Explanation:
expansion of water is not significant over day night temperature
While heating a solution in a beaker, what is the appropriate safety equipment
to have on the bench?
A. Thermal gloves
B. Fire extinguisher
C. Latex gloves
D. Fire blanket
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Answer: A
Explanation: Hope it helps
Why can't you sing just like Elvis Presley?
A. Because your DNA is exactly like his
B. Because your DNA mutated from his
C. Because your DNA is slightly different from Elvis's DNA
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Answer:
it's C
Explanation:
NO LINKS PLEASE
What do scientists say makes the Galapagos Islands unique?
O A. the different kinds of plants living on the islands
B. the large numbers of species living on the islands
O c. the different animal species living on the islands
D. the large numbers of marine iguanas on the islands
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Answer:
B
Explanation:
Nearly 9,000 species are found on the islands and their surrounding waters, many of them endemic.
Which statement describes seismic waves?
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Answer:
Seismic waves are the waves of energy caused by the sudden breaking of rock within the earth or an explosion. They are the energy that travels through the earth and is recorded on seismographs. There are several different kinds of seismic waves, and they all move in different ways.
Each Taxonomy (category) gets less and less specific as they go further down the list.
A. True
B. False
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Answer:
B. False
Explanation:
The levels of classification, from broadest to most specific, include: kingdom, phylum, class, order, family, genus, and species.
Answer:
B. False
Explanation:
Taxonomy is the study of the general principles of scientific classification.
The energy required to get a reaction started is called activation energy.
]
True
False
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Answer:true
Explanation:
What is a photosystem?
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Answer:
Photosystems are functional and structural units of protein complexes involved in photosynthesis. Together they carry out the primary photochemistry of photosynthesis: the absorption of light and the transfer of energy and electrons.
Explanation:
i tink this is helpful dor you
NO LINKS PLEAE
The physical environment and environmental conditions in a biome determine, to a large degree, which living organisms are found there.
O A. true
O B. false
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Which of the following accurately describe characteristics of the cell membrane. Choose all that apply. *
Impermeable
Made of many moving molecules
Monolayer of lipids
Rigid and unchanging
Selectively permeable
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Answer:
selectively permeable
A mother who is hetero-zygous for brown hair marries a man who is hom-o-zygous for brown hair. Brown hair is the dominant allele and red hair is the recessive allele. Using the apove information, draw and complete a Punnett square. What's the probability that the offspring will have red hair?
• 0%
•25%
•50%
•75%
•100%
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List the 7 levels of classification from largest to smallest.
A. Kingdom, Phylum, Order, Class, Family, Genus, Species
B. Kingdom, Phylum, Order, Family, Class, Genus, Species
C. Phylum, Kingdom, Order, Family, Class, Genus, Species
D. Kingdom, Phylum, Class, Order, Family, Genus, Species
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Answer:
List the 7 levels of classification from largest to smallest.
D. Kingdom, Phylum, Class, Order, Family, Genus, Species
Answer:
D. Kingdom, Phylum, Class, Order, Family, Genus, Species
Explanation:
These are the 7 levels of classification from largest to smallest.
Why do you think that dilating blood vessels will decrease temperature of the blood as well as decrease blood pressure?
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If the rate at which blood is pumped is constant (whether blood vessels are constricted or dilated), then blood pressure decreases when blood vessels are dilated because blood pumped at constant speed has more space to pass resulting in decreased blood pressure.
A climax community is reached
A. at the beginning of succession.
C. at the end of succession.
B. in the middle of succession.
D. when an ecosystem is destroyed.
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Answer:
C is the right one.........
SCIENCE
Which of the following is an example of a glacial formation?
A. Photosynthesis
B. Methane degradation
C. Photolysis
D. Weathering of rocks
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Answer:
Letter D is the Correct answers
Explanation:
base on my research
hi pls help me im struggling with this question for a while i would really apreciate it
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Answer:
Allopatric speciation
Explanation:
Where a population forms new species due to geographical barrier
That has separated the initial original population into 2 separate population which cannot interbreed
what is the part of endoplasmic reticulum without proteins attached?
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Answer:
Regions of ER that lack bound ribosomes are called smooth endoplasmic reticulum, or smooth ER.
Answer:
The ER regions lacking bonded ribosomes are referred to as the smooth or smooth endoplasmic reticulum.
Explanation:
The Endoplasmic reticulum is a membrane network within the cell that transmits proteins and other molecules. Proteins called ribosomes are assembled at organelles. The ribosomes that are assembled to the endoplasmic reticulum give it a rough look when proteins are intended for cell membrane or export from the cells. Smooth endoplasmic ribosomes are absent and help to synthesize and concentrate various cell-required substances.
Either a smooth or rough endoplasmic reticulum is capable of producing protein in general for the rest of the cell to function. The raw endoplasmic reticulum contains ribosomes, small, red organelles that make these proteins. Sometimes the proteins remain inside the endoplasmic reticulum when made incorrectly.
It is retained and the endoplasmic reticulum is engulfed because it appears to be stuck in a way that does not lead the protein where it is supposed to go. There is also the smooth endoplasmic reticulum on which these ribosomes are not contained. This smooth endoplasmic reticulum produces other materials that the cell needs. The endoplasmic reticulum is an organelle that actually produces proteins and substances that are necessary for the rest of the cell.
What is the receptors?
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Answer:
In biochemistry and pharmacology, receptors are chemical structures, composed of protein, that receive and transduce signals that may be integrated into biological systems
Scientists have made estimates to the loss of biodiversity in the Mediterranean Sea over the next ten years due to various human-
influenced factors. The graph depicts the changes in biodiversity at present and in ten years (predicted). Which statement(s) below
are supported by the graph? Choose ALL that apply.
A)
Climate change will increase the loss of biodiversity at a greater rate than
pollution
Invasive species will have a greater impact in loss of biodiversity in ten
years than pollution
B)
C)
"Habitat degradation is and will continue to be the leading cause of
biodiversity loss in the Mediterranean Sea.
D)
The loss of biodiversity in the Mediterranean Sea will increase for nearly
every factor over the next ten years.
E)
Exploitation of species in the Mediterranean Sea will lead to the greatest
decline in biodiversity in the area in ten years.
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Scientists have made estimates of the loss of biodiversity in the Mediterranean Sea, and this is due to human interference, climate change will increase the loss of biodiversity, habitat degradation, and exploitation of species, so answers A, C, D, and E are all correct.
What is the significance of the loss of biodiversity in the Mediterranean?Biodiversity is low in almost every region of the world due to rapid urbanization, which has resulted in the rapid loss of plants and animals as well as a decline in their numbers due to habitat loss, and they are further impacted by climate change.
Hence, scientists have made estimates of the loss of biodiversity in the Mediterranean Sea, and this is due to human interference, climate change will increase the loss of biodiversity, habitat degradation, and exploitation of species, so answers A, C, D, and E are all correct.
Learn more about the loss of biodiversity here.
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How is gene cloning helpful in biological research??
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Answer:
Biologists frequently utilize DNA cloning in basic research labs to create fake, recombinant versions of genes to better understand how normal genes in an organism function.
Explanation:
Took the lesson on Khan Acdemdy, its from my notes i took
Glucose is reabsorbed back into the blood by active transport define active transport
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Answer:
Movement of particles from a region of low concentration to a region of high concentration against the concentration gradient that requires energy.
Which sentence describes the big bang theory?
A. Because the universe is expanding, scientists conclude that in the
distant past, all matter was evenly distributed.
B. Because the universe is contracting, scientists conclude that in
the distant future, all matter will be converted to energy.
C. Because the universe is contracting, scientists conclude that in
the distant future, all matter will be compressed into a single
point.
D. Because the universe is expanding, scientists conclude that in the
distant past, all matter was compressed into a single point.
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Answer:
D. Because the universe is expanding, scientists conclude that in the distant past, all matter was compressed into a single point.
2. What has happened to the level of carbon dioxide in the atmosphere in the past several
decades (use numbers and units)?
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Answer:
Nov 23, 2020 · Levels of carbon dioxide (CO2) in the atmosphere hit a new record of 410.5 parts per million in 2019, and are expected to keep rising this year, the World Meteorological Organization (WMO) said in its annual Greenhouse Gas Bulletin on Monday. “We breached the global threshold of 400 parts per million in 2015.
Explanation:
i dont know this is the correct answer???/
Based on the relationship between photosynthesis and CO2, explain why CO2 concentrations cycle over the course of a year?
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Explanation:
the amount of CO2 found in the atmospheres varies over the course of a year how much of this variation happens because of the role of plants in the carbon cycle respiration occurs all the time but dominates during the colder months of the year resulting in higher CO2 levels in the atmosphere during those months.
*hope this helps*
PLEASE HELP WILL MARK BRANLIEST!
Fungi and bacteria are examples of _____:
A. decomposers, B. producers, C. consumers, D. demagorgans
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Answer:A. decomposers
Explanation: A decomposer is an organism that decomposes, or breaks down, organic material such as the remains of dead organisms. Decomposers include bacteria and fungi. These organisms carry out the process of decomposition, which all living organisms undergo after death.