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Bad White [126]
3 years ago
15

HELP?! _______ are the simplest creatures that possess an anus. A. Flatworms B. Roundworms C. Jellyfish D. Sea anemones

Biology
1 answer:
Lera25 [3.4K]3 years ago
4 0
Flatworms is the answer
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Darwin explained that all life came from ________________
AnnZ [28]

Answer:

one common ancestor

Explanation:

Although Darwin’s theory is often described as the theory of evolution by natural selection, most commentators recognize that common ancestry (the idea that all organisms now alive on earth and all present day fossils trace back to one or a few “original progenitors”) is an important part of the Darwinian picture.

3 0
2 years ago
Arrange the events in the order they would have occurred according to the theory of endosymbiosis
yanalaym [24]

Answer:

We need the events to be able to put them in order. :\

Explanation:

5 0
3 years ago
Read the questions below. Check all of the scientific questions.
irga5000 [103]

Answer:

The  following are examples of scientific questions

      How fast do cheetahs run?

      Does adding fertilizer to the soil help plants grow faster?

      What do pelicans eat?

      Why are my neighbors going to the mall?

Explanation:

An essential part of science is asking questions.  

A good scientific question is that it can be  answered by direct observations or with scientific tools.

      How fast do cheetahs run?

      Does adding fertilizer to the soil help plants grow faster?

      What do pelicans eat?

      Why are my neighbors going to the mall?

Examples of questions that are not scientific  are based on values or opinions like what people believe is right or wrong, or beautiful or ugly.

      Do fish like living in aquariums?

      Does my dog like her bone better than her Frisbee?

3 0
3 years ago
If a particular cell is known to be round and incapable of producing its own food, which one of these organelles would you assum
UNO [17]

If a particular cell is known to be round and incapable of producing its own food, such a cell would not be a plant cell. As such, from the options below:

  • <em>CENTRAL VACUOLE </em>
  • <em>plasma membrane </em>
  • <em> cell wall </em>
  • <em> chloroplast</em>

The correct answer as to which of the organelles the cell must have would be the plasma membrane.

  • central vacuole, cell wall, and chloroplast are all characteristic of plant cells.
  • All cell types have plasma membrane.

Hence, since it has been established that the cell is not a plant cell, the only organelle left that the cell cannot do without is the plasma membrane.

More on cell organelles can be found here: brainly.com/question/23802482

8 0
3 years ago
What is the importance of blood sugar regulations​ ( give four at least)
SSSSS [86.1K]

Explanation:

<h3><em><u>keep the body running smoothly, a continuous concentration of 60 to 100 mg/dL of glucose in blood plasma is needed. During exercise or stress the body needs a higher concentration because muscles require glucose for energy (Basu et al., 2009).</u></em></h3>
3 0
2 years ago
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