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Anvisha [2.4K]
2 years ago
13

Biodiversity can be studied at which of three levels?

Biology
2 answers:
brilliants [131]2 years ago
4 0

Answer:

genetic diversity, species diversity, and ecosystem diversity.

Explanation:

marysya [2.9K]2 years ago
3 0

Answer:

Biodiversity is usually explored at three levels - genetic diversity, species diversity and ecosystem diversity.

Explanation:

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Is the moon accelerating as it orbits the earth? explain your reason​
Nataly_w [17]

Answer:

Gravitational attraction provides the centripetal force needed to keep planets in orbit around the Sun and all types of satellite in orbit around the Earth. This means gravity makes the Moon accelerate all the time, even though its speed remains constant.

Explanation:

7 0
2 years ago
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If the beak length of G. fortis is typically 12% longer than the beak depth, what is the predicted beak length of G. fortis indi
Oksanka [162]

Answer:

about 11 mm........................

4 0
3 years ago
Choose the correct statements 1.Self-pollination occurs when the pollen from the anther is deposited on the stigma of the same f
Mamont248 [21]

Answer: The correct statements are 1 and 2:

1.Self-pollination occurs when the pollen from the anther is deposited on the stigma of the same flower, or another flower on the same plant.

2.Cross-pollination is the transfer of pollen from the anther of one flower to the stigma of another flower on a different individual of the same species.

Explanation:

Pollination is the transfer of pollen grains from an anthers to a receptive stigma. In most species of flowering plants, external agents bring about pollination. Also, flowers have evolved special structures and mechanisms to ensure successful pollination.

There are two types of pollination

--> Self pollination: This takes place when mature pollen grains from the anther of a flower fall on the stigma of the same flower or that of another flower on the same plant. This type of pollination brings the male gametes and egg cells of the same plant together. The resultant offspring show very little genetic variation.

--> Cross pollination: This occurs when mature pollen grains of a flower are transferred to the stigma of a flower of another plant of the same or closely related species. This brings the male gametes and egg cells of two different parent plants together. Therefore, there is greater genetic variation among the offspring.

7 0
2 years ago
Joint and bone pain, fever, weight loss, fatigue, weakness, hepatomegaly, splenomegaly and enlarged lymph glands are typical sym
kvasek [131]

Answer:

True.

Explanation:

White blood cells cannot function properly and their reduced production can lead to fever and frequent infections. This is because the function of white blood cells in fighting germs has been disrupted.

Other signs and symptoms:

- Weak and tired.

- Lack of appetite and weight loss.

- Swelling and bleeding gums.

- Headache.

- Abdominal swelling is caused by enlargement of the liver and lymph.

- Bone pain, can cause weakness.

Joint pain.

- The glands are swollen. If the glands in the neck and chest are swollen, it can cause blood flow to be blocked. This causes the face to swell, difficulty breathing and snoring.

#If i'm wrong, i'm sorry

4 0
2 years ago
Drag the vocabulary terms onto this concept map about the components of an atom.
lisov135 [29]

Answer:

a) protons b) neutrons c) electrons d) +1 e) nucleus f) -1 g) atomic number h) mass number

Explanation:

6 0
2 years ago
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