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Svetach [21]
3 years ago
9

The photograph below shows Jamal’s bird feeder. Jamal asked the question “Are hummingbirds attracted to red feeders?” Then, he s

et up an experiment to test the question. What is the independent variable in Jamal’s experiment? the amount of food the color of the feeder the height of the feeder the number of hummingbirds
Biology
1 answer:
notka56 [123]3 years ago
8 0

Answer:

hummingbird behavior

Explanation:

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Help me with this I need it now please ​
IrinaVladis [17]

I am here to give the brainiest answer not to get points

Answer: yes

6 0
2 years ago
Even when asymptomatic, _______ can still be actively multiplying and killing cells in the immune system that help fight pathoge
podryga [215]

Even when asymptomatic, the virus can still be actively multiplying and killing cells in the immune system that help fight pathogens. This is further explained below.

<h3>What is a virus?</h3>

Generally, the virus is simply defined as a virus consisting of a core of genetic information, either DNA or RNA, wrapped by a capsid, which is a protective covering formed of protein.

In conclusion,  It is possible for the virus to be actively reproducing and destroying immune cells even in the absence of any outward symptoms.

Read more about the virus

brainly.com/question/25859411

#SPJ1

3 0
2 years ago
What surrounds the cell and controls the movement of substances in and out
Nonamiya [84]

Answer:

The plasma membrane is made up by a phospholipid bilayer with embedded proteins that separates the internal contents of the cell from its surrounding environment. Only relatively small, non- polar materials can easily move through the lipid bilayer of the plasma membrane.

Explanation:

7 0
3 years ago
Which statement is not true?
iogann1982 [59]

Answer:

A. Specialized cells are made up of tissues

Explanation:

Cells make up tissues, tissues make up organs, organs make up organ systems and organ systems make up an organism.

All the other options are correct, but cells are not made up of tissues.

Hope this helps!

5 0
3 years ago
These statements describe three different reactions.
Arte-miy333 [17]

Answer: 2 - The nucleus of an atom is split apart

Explanation: Any reaction involving the nucleus of an atom is called a nuclear reaction. It is different from ordinary chemical reactions that involve electrons because it involves the release of large amount of energy. Nuclear reactions can be classified as nuclear fission and nuclear fusion.

A nuclear reaction in which a nucleus of an atom is split into two smaller atoms with a release of large amount of energy is called nuclear fission. A nuclear reaction that involves the combination of lighter nuclei of elements to form heavier atoms that are more stable with the release of a large quantity of energy is called nuclear fusion.

5 0
3 years ago
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