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Otrada [13]
3 years ago
5

When do density-dependent factors operate most strongly

Biology
1 answer:
antoniya [11.8K]3 years ago
5 0
When a population is large and dense.
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Why is virus considered as connecting link between living and non living?
Anastaziya [24]

Virus is non living, but once it gets a host (something to live on), it is a living being.

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3 years ago
Which of the following are the reproductive parts of an angiosperm flower? A. anther and ovary B. sepal and anther C. vary and s
Simora [160]

The answer is A. anther and ovary.

The female part of an angiosperm flower is called a pistil and it consists of a style, stigma and ovary. The male part of an angiosperm flower is called a stamen and it consists of an anther and corolla. Thus, among all choices, choice A is the answer.

Choice B - anther is the male part of the flower, but sepal is a protective part of the flower and not reproductive.

Choice D - stigma is the female part of the flower, but sepal is a protective part of the flower and not reproductive.

Choice C - "vary" is not a word, but it is a mistake and it should be "ovary,"  the answers could be both choice A and C.


8 0
3 years ago
Create a food web by typing the name of 6 organisms. Be sure to label each organism. (Consumer, producer, decomposers, primary c
dolphi86 [110]
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5 0
3 years ago
Do protists have cell walls? If so, what is it made of?
Umnica [9.8K]
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6 0
3 years ago
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The endosymbiotic theory proposes that eukaryotic cells arose as a result of large cells engulfing smaller, aerobic bacteria. th
lina2011 [118]

The organelle that provides evidence for this theory is the mitochondria and the chloroplast.

<h3>What is the endosymbiotic theory?</h3>

The endosymbiotic theory is the theory which describes how the eukaryotic cells arose from simple prokaryotic cells.

In the endosymbiotic theory states that when two prokaryotic cells with several abilities came together, one engulfed the other and existed in a symbiotic relationship that enabled  the cells to meet their needs for survival an growth.

The mitochondria and the chloroplast provides evidence for the endosymbiotic theory.

In conclusion the endosymbiotic theory describes  how eukaryotic cells arose from simple prokaryotic cells.

Learn more about endosymbiotic theory at: brainly.com/question/1698852

#SPJ1

8 0
2 years ago
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