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DaniilM [7]
4 years ago
6

The oxygen revolution changed Earth’s environment dramatically. Which of the following took advantage of the presence of free ox

ygen in the oceans and atmosphere?
a. the evolution of cellular respiration, which used oxygen to help harvest energy from organic molecules
b. the persistence of some animal groups in anaerobic habitats
c. the evolution of photosynthetic pigments that protected early algae from the corrosive effects of oxygen
d. the evolution of chloroplasts after early protists incorporated photosynthetic cyanobacteria
Biology
1 answer:
WARRIOR [948]4 years ago
5 0

Answer:

a. the evolution of cellular respiration, which used oxygen to help harvest energy from organic molecules

Explanation:

cellular respiration was an advantage because the process produces more ATP than anaerobic respiration, this is crucial for life because finding another metabolic pathway that is more efficient totally change things. Now a days it is still the same.

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Answer:

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4 0
3 years ago
1. Describe in your own words how competition may leads to natural selection.
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bro this is so easy,

if to animals fight, the one more adapted, prepared or psychically built will win will the weaker one lose and die, which is natural selection at its finest.

8 0
4 years ago
Chuck Wildlee, a baseball pitcher, was struck on the head by a line drive hit by Charley Hussel. Fortunately, Chuck was not seri
enot [183]

Answer:

Option C, he lost both sensory and short-term memory

Explanation:

Sensory memory is basically the information received by the five sense organs and also the instruction given by brain to the respective sense organ.  

This sensory memory keeps  storing and is collectively referred to as short term memory.  

Since Chuck Wildlee was unable to remember how many balls and strikes the batter had. In past he would have perceived this information through eyes which should have been part of sensory memory and later the part of short term memory.  

Thus, it can be said that Chuck Wildlee lost both his sensory memory and short term memory  

Hence, option C is correct

4 0
3 years ago
What are three abiotic factors that the number and types of organisms in an ecosystem depend on?
trasher [3.6K]
They may depend on PH of the water, nutrients, and sunlight. 
6 0
3 years ago
What's the difference between human skin and the cell membrane
Hatshy [7]

Answer: Read explanation

Explanation: there’s actually no similarity at all. A cell membrane is made of phospholipids, globular proteins, glycolipids, glycoproteins, and cholesterol, and has passages that serve explicitly for passive and active transport of materials through it.

The skin is made of cells and dead keratin and serves as much as possible to prevent most substances from moving through it. It’s “designed” for toughness and distensibility, not for selective permeability.

All in all, the difference is that a cell membrane is explicitly and only for the passing and transport of materials through it, and the skin in the skin is made to be tough and durable, almost the opposite of a cell membrane.

7 0
3 years ago
Read 2 more answers
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