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Zarrin [17]
3 years ago
7

Do hummingbirds mate for life?

Biology
2 answers:
mart [117]3 years ago
7 0

Answer:

No. They don't even stay together to raise the babies.

Explanation:

Plz mark brainliest.

Rasek [7]3 years ago
6 0

Answer:NO

Explanation: When Humming Birds find another all they do is make a nest and mate then they split apart  the mother stays with the child until the mother finds another one and repeat the process.

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Cell structures that plant and animal cells don't share are _____.
liubo4ka [24]

Answer:

a cell wall (because a plant cell is less rigid than an animal cell)

- a large central vacuole (where plant cells store water)

- chloroplasts (which plants use to carry out photosynthesis)

Explanation:

8 0
4 years ago
Corals belong to which class of the cnidaria
Ratling [72]
I think it's Anthozoa?
6 0
4 years ago
A cell contains Select one: a. one kind of enzyme that promotes thousands of different chemical reactions. b. thousands of diffe
Ann [662]

Answer:

The answer is letter B

Explanation:

A cell contains thousands of different kinds of enzymes, each promoting a different chemical reaction.

4 0
3 years ago
Of the following experimental results, which is the best evidence that photosynthesis is more efficient at certain wavelengths o
GarryVolchara [31]

Answer:

The correct answer will be option-C

Explanation:

The plant absorbs the sunlight to perform photosynthesis which helps produce the sugar molecule used by the plants.

The plants absorb maximum sunlight at two wavelengths that are red and blue wavelength by chlorophyll and other pigments. The efficiency of photosynthesis is also measured maximum at these two active wavelengths called action spectrum.

In the given question, since the efficiency of photosynthesis has been discussed which could be measured with the production of oxygen and consumption of carbon dioxide. The experiment performed by the Engelmann showed that aerobic bacteria got concentrated in the blue and red wavelengths as the output of the photosynthesis were observed maximum.

Thus, the selected option is the correct answer.

5 0
3 years ago
Which of the following is the term for an abnormally low white blood cell count?
Nikolay [14]

Answer:

The correct answer is- Leukopenia

Explanation:

White blood cells are present in our blood which protect our body from foreign antigens like bacteria, viruses, etc. When these white blood cells decrease abnormally in number then this condition is called leukopenia.

White blood cells contain different cell which protect our body from different type of infections. So there are different types of leukopenia according to the particular white blood cell whose number became low.

For example when neutrophils number in the body decrease it is called neutropenia. So the correct answer is leukopenia.

4 0
3 years ago
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