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tigry1 [53]
4 years ago
6

Which is an example of an internal stimulus?

Biology
1 answer:
Neporo4naja [7]4 years ago
5 0

The answer to your question is D, a decrease in oxygen levels in the blood during exercise.



Hope this helps!

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The last common ancestor of gymnosperms and angiosperms possessed which of these characteristics? select all that apply.
Mumz [18]

The last common ancestor of gymnosperms and angiosperms possessed the same characters such as pollen, seeds, and vascular tissue.

<h3>What are angiosperms and gymnosperms?</h3>

The gymnosperms are a group of plant that are known as seed- producing plants such as Ginkgo, gnetophytes, cycads etc.

Angiosperms are the plant that produces flowers and having seeds enclosed within their fruit.

Gymnosperms have no production of flowers and fruits and they contain seeds without cover on the surface of their leaves.

Therefore,last common ancestor of gymnosperms and angiosperms possessed the same characters such as pollen, seeds, and vascular tissue.

Learn more about angiosperm and gymnosperm here:

brainly.com/question/9416370

#SPJ4

7 0
2 years ago
Water passes from one living organism to another when:
riadik2000 [5.3K]
The answer is C.

A. There is no exchange of water between organisms.

B. A single organism is excreting fluid. This will then evaporate into the atmosphere. No exchange takes place.

C. An animal consuming an organism involves two organism that both contain water. One absorbs the other’s water through digestion.

D. A plant absorbs nutrients from the soil. This could also be correct as there are organisms in the soil losing water through decay. However those organisms aren’t identified in the statement. This means that C. is the best answer.
3 0
3 years ago
Protist reproduction
solong [7]

Answer:

e. is mostly asexual, with sexual as a second option.

Explanation:

Protist are unicelluar eukaryotic  microorganims. Example include:

<u><em>Amoeba</em></u> <u><em>proteus</em></u>

<u><em>Euglena</em></u><em> </em><u><em>viridis</em></u>

Dinoflagellates, etc.

Among the species of Protists, each species exhibit a unique way of reproduction. Generally, in Protist there are two types of reproduction, these are asexual reproduction and sexual reproduction. With asexual reproduction being the primary mode of reproduction in most protists.

Protist reproduce asexual by binary fission or by budding.

Binary fission occurs when a single protist divides its nucleus and then divides itself into two separate organisms.

Budding occurs when a new organism grows from the body of the parent organism. The new organism may separate from the parent or remain attached, forming colonies.

They also reproduce sexually by conjugation.

Sexual reproduction by conjugation requires two parent organisms contributing to the genetic material of the offspring. The essence of conjugation is to produce a new offspring with a wider genetic variability i.e the offspring being genetically different from the parent organisms.

4 0
3 years ago
The opening in the center of the iris, which allows light to move to the back of the eye, is called the
Elena-2011 [213]
The answer is the PUPIL
6 0
4 years ago
Find the remainder when p(x) = –2x5 + x4 + 5x3 + 4x + 1 is divided by (x - 2).
borishaifa [10]

The remainder when p(x) = -2x⁵+x⁴+5x³+4x+1 is divided by (x-2) is 1.

To solve the question above, we make use of the remainder theorem.

Remainder Theorem: It states that if a function F(x) is divided by (x-a), the remainder is F(a).

From the question,

Given:

  • Dividend ⇒ p(x) = -2x⁵+x⁴+5x³+4x+1
  • Divisor ⇒ (x-2)

in view of the above and applying the Remainder theorem, The remainder will be p(2)

  • p(2) = -2(2⁵)+2⁴+5(2³)+4(2)+1
  • p(2) = -64+16+40+8+1
  • p(2) = 1

hence the remainder when p(x) = -2x⁵+x⁴+5x³+4x+1 is divided by (x-2) is 1

Learn more about  the remainder theorem here: brainly.com/question/13328536

7 0
3 years ago
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