1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Advocard [28]
2 years ago
14

The endosymbiotic theory explains the:____.

Biology
1 answer:
zimovet [89]2 years ago
7 0

Answer: The endosymbiotic theory explains the Origin of the first prokaryotic cells

D. Origin of the first prokaryotic cells

Explanation:

You might be interested in
Which of the following determines the sex of an offspring?
ANTONII [103]

The answer is A because the males sperm determines the sex of a baby.The determines sperm is carrying an X or Y chromosome.

3 0
3 years ago
List 2 types of weathering and list all examples
joja [24]

Weathering breaks down and loosens the surface minerals of rock so they can be transported away by agents of erosion such as water, wind and ice. There are two types of weathering: mechanical and chemical.

6 0
3 years ago
Read 2 more answers
A panda's coarse fur is made of cells, as is its blood, its skin, its nerves, and its brain. This is an example of which charact
dezoksy [38]
I believe the correct answer from the choices listed above is option D. <span>This is an example of cellular organization. Cells organize themselves according to their functions. Hope this answers the question. Have a nice day.</span>
5 0
3 years ago
Ecocentrists are distinguished by their rejection of the anthropocentric idea that _________.only humans have intrinsic value.th
Luba_88 [7]
<span>Antrophocentric ideas and beliefs involve believing that only human beings and human beings alone are of the utmost importance above all else, that the human self is of the total concern. It is a very "self" oriented set of ideas. Eccocentrists are particularly and primarily focused on the environment, preservation, and "green" movements.</span>
4 0
3 years ago
Your friend brings you rocks with a thick layer of oxidation weathering, and no other visible signs of weathering. this is a clu
Vsevolod [243]
<span>A moist environment because physical weathering processes such as oxidation take place most quickly in the presence of water. There are three types of weathering, physical, chemical, and biological. For the physical weathering, there are two main types. Freeze-thaw cycles and exfoliation. Obviously the freeze-thaw cycles require water and the exfoliation generally happens through thermal expansion and contraction which doesn't require water. But since neither of these mechanisms were observed, that doesn't indicate if the area was wet or dry. Biological weathering is caused by plants or animals breaking down rocks via chemical (acid) or mechanical (root growth) means. Life generally indicates the presence of water, but since this form of weathering wasn't observed, we still don't have enough data. Chemical weathering is caused by rain water reacting with the rocks to form new minerals and salts. There are several types such as acidic rainwater dissolving part of the rock, and oxidation. With this in mind, let's take a look at the available options. A moist environment because there is a greater density of oxygen in the atmosphere in the presence of water. * Yes, we need a moist environment, but the density of oxygen is fairly constant world wide regardless of how moist or dry the environment is. So this is a bad choice. A moist environment because physical weathering processes such as oxidation take place most quickly in the presence of water. * Water speeds up chemical weathering of all types. So this is the correct choice. A dry environment because the increased albedo of deserts encourages physical weathering processes such as oxidation. * Yes, the increased albedo of deserts does speed up spalling, but oxidation is a CHEMICAL weathering process, not a PHYSICAL one. So this is a bad choice. A dry environment because in the absence of water oxidation is the dominant weathering process. * Water speeds up oxidation quite a bit. And since the observed oxidation is thick, there's been quite a bit of weathering. So this is a bad choice.</span>
6 0
3 years ago
Other questions:
  • A true-breeding plant that produces yellow seeds is crossed with a true-breeding plant that produces green seeds. The F1 plants
    7·1 answer
  • Explain how XY mice with a duplication of chromosome 1 develop<br> ovaries and a female phenotype.
    8·1 answer
  • Why are algae and ferns both green?
    10·2 answers
  • Antibiotics such as penicillin and streptomycin have been used to treat diseases such as Lyme disease and tuberculosis. Which ty
    8·1 answer
  • Animals who eat the same food are categorized in the same niche. <br> a. True<br> b. False
    7·2 answers
  • Describe the role of water in a dehydration reaction
    8·2 answers
  • Which device is using a motor?
    15·2 answers
  • Required
    5·1 answer
  • Which step in the process of cellular respiration produces the most ATP?
    11·1 answer
  • A melotic division produces ____ daughters cells?<br> 4<br> 2<br> 1
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!