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Scilla [17]
3 years ago
8

What are viruses made up of

Biology
2 answers:
sukhopar [10]3 years ago
8 0
Viruses are made up of DNA
svet-max [94.6K]3 years ago
6 0

A virus is made up of a core of genetic material, either DNA or RNA, surrounded by a protective coat called a capsid which is made up of protein. Sometimes the capsid is surrounded by an additional spikey coat called the envelope. Viruses are capable of latching onto host cells and getting inside them.


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Which change in a limiting factor would increase the carrying capacity for american pikas in a talus field within an alpine tund
shusha [124]

Answer: B) decrease in number of rock fragments

Explanation:

Carrying capacity is the maximum size of the population of a species that an ecosystem can handle based on the availability of resources.

A limited factor is the factor that can be an abiotic or biotic agent is likely to affect the life of the living being.

American pikas are the small rodent-like mammals. These animals are short and stout. They have big, round ears and do not have tails. They have a brown and black coloration which helps them to hide behind the rocks and camouflage the predators.

Here, the decreased in rock fragments is a limiting factor which will increase the carrying capacity of American pikas. Due to lack of rock fragments, the American pikas will not be able to hide from predators and they will die. The size of the population will become by the supportive carrying capacity.

8 0
3 years ago
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dolphi86 [110]

Answer:

Petal is brightly coloured and scented to attract pollinating insects

Leaf acts as food factory using the energy from sunlight

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Explanation:

6 0
3 years ago
Can evolution be proven false?
Afina-wow [57]
I mean there is a lot of evidence that evolution has happen but i think if someone were to say it was false they would be getting into a religious beliefs. So I would say if you are using evidence than no it cannot be proven false. Hope this helps(;
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3 years ago
Which of the following is an example of natural selection?
Alexxx [7]

Answer:

A) Hummingbirds drinking nectar from a plant.

Step-by-step explanation:

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8 0
3 years ago
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vampirchik [111]
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3 years ago
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