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Ainat [17]
2 years ago
12

What do the function and structure of the forelimbs of the 4 animals tell us

Biology
1 answer:
marin [14]2 years ago
8 0

Answer: biomarker: A substance used as an indicator of a biological state, most commonly disease.

trace fossil: A type of fossil reflecting the reworking of sediments and hard substrates by organisms including structures like burrows, trails, and impressions.

fossil record: All discovered and undiscovered fossils and their placement in rock formations and sedimentary layers.

strata: Layers of sedimentary rock.

fossiliferous: Containing fossils.

Explanation: hope this is what you mean if not ill try again

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Which of the following terms describes a lipid molecule that has only single
schepotkina [342]

Answer:

Saturated fatty acids have only single bonds between carbon atoms. As a result, the carbon atoms are bonded to as many hydrogen atoms as possible. In other words, the carbon atoms are saturated with hydrogens. Saturated fatty acids are found in fats.

8 0
3 years ago
In Experiment 5, how did the shape of the epidermal cells in the outer skin surface slide compare to the shape of the epidermal
Phoenix [80]

Answer:

The correct answer is B. <em>The cells in the outer skin surface appeared flat, whereas the cells in the cross section were not flat.</em>

Explanation:

The epidermis is made up of five cell layers, which have different functions: Stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum.  

  • <u><em>Stratum basale</em></u> is the <em>innermost germinative, single, basal layer of the epidermis </em>composed of basal cuboidal-shaped cells. These cells are the precursor of keratinocytes, this is why this layer is also called germinativum. In this basal layer, there are also Merkel cells as well as melanocytes.
  • <em><u>Stratum spinosum</u></em> refers to the keratinocytes which produce keratin.
  • <u><em>Stratum granulosum</em></u>, this is the layer where keratinization begins. Cells produce hard granules that change to keratin and lipids as they ascend.
  • <u><em>Stratum lucidum</em></u> is conformed of densely compressed cells, which begins to flatten and appear indistinguishable between each other.
  • <u><em>Stratum corneum</em></u> is the most external layer, composed of dead, flattened cells which are released regularly in a process known as desquamation.
8 0
3 years ago
How do we know that food isn't causing the population growth?
MariettaO [177]
Maybe because food was here before the population even started to grow?‍♀️
8 0
3 years ago
What does the specific defense of the immune system use to fight pathogens.
yan [13]

Answer:

A

Explanation:

i got it right

3 0
2 years ago
Read 2 more answers
What is the most likely consequence of open pit mining on plant life? a. a dramatic reduction in the variety of plant species b.
bonufazy [111]
C) The complete loss of plant life in the area occupied by the surface mine.

Hope this helped!
7 0
3 years ago
Read 2 more answers
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