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serious [3.7K]
3 years ago
14

PLEASE HELP!!!! You are a scientist tasked with writing a journal article on the evolution of alligators. In 3–5 sentences, desc

ribe the different forms of evidence you might use to analyze the evolution of alligators.
Biology
1 answer:
Vikentia [17]3 years ago
6 0

Answer:

The first alligator ancestors evolved about 245 million years ago.

Explanation:

The first alligator ancestors evolved about 245 million years ago due to change in the environmental condition.  crocodilians appeared about 80 million years ago during the Cretaceous period. Modern alligators has experience less changes which is closely related to their ancient ancestors and look much like to their relatives that exists about 80 million years ago. The main reason for the change in the body structure of alligator is due to change in environmental condition.

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which of the following is FALSEA cell will shrink when the concentration of electrolytes is greater inside the cell than outside
uranmaximum [27]

Answer:

A cell will shrink when the concentration of electrolytes is greater inside the cell than outside the cell.

Explanation:

<em>When the concentration of electrolyte is greater inside the cell than its outside, water molecules move from the outside electrolyte into the cell leading to its expansion and turgidity. If the water movement continues, the cell may burst and release its contents in a process known as lysis.</em>

Hence, that a cell will shrink when the concentration of electrolytes is greater inside the cell than outside of the cell is false.

3 0
3 years ago
(I really need this to boost my grade)<br><br> Label the permeable and impermeable rock layers
Papessa [141]

Answer: HI your question is incomplete but i will provide a general answer that can help you

answer : Permeable Rock layers allow the flow of fluid like substances through them, While Impermeable rock layers do not allow the flow of fluid like substance through them.

Explanation:

Permeable rocks are rocks containing pores through Fluid like substances can penetrate through in the rocks. examples of Permeable rocks are ; Sandstones and Chalk

While an Impermeable rock is a rock that does not allow the flow of fluid like substance through it due to the absence of pores in its rock layers . examples of such rock are ; Clay and marble  

Although some permeable rocks might exhibit low level of permeability as well but generally Rock sample with pores are classified as permeable rock layers.

6 0
3 years ago
A claim for william j. lopez has been rejected by a health plan. the health plan states that the procedure code is for a cesarea
IRINA_888 [86]

Mr. William J. Lopez claim has been rejected by his health plan because the procedure code is for cesarean delivery and Mr. Lopez could not definitely be pregnant. Only women who undergo cesarean delivery can claim the said procedure code. The best response for his problem is to ask his health plan for the correct procedure code so he can claim what is due to him.

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8 0
3 years ago
Could the one-haired fur seal Otaria flavescens be crossed with the two-haired fur seal Arctocephalus australis, and originate h
Anastaziya [24]

Answer:

Yes.

Explanation:

Yes.

7 0
3 years ago
Read 2 more answers
Which of the following is more common today?
Keith_Richards [23]

Answer: b. photochemical smog

Explanation:

Photochemical smog is the most common type of smog. It is produced when the ultraviolet rays in sunlight reacts with the nitrogen oxides present in the atmosphere.

It can be seen as visible brown haze. It can be seen in morning and in afternoon. It can be seen in cities which are densly populated.

The largest contributor to the formation of photochemical smog are automobile emission, and coal power plants.

4 0
3 years ago
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