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pickupchik [31]
3 years ago
7

Beekeepers and scientists are puzzled and troubled by a decline in bee populations around the world. what would you predict as a

likely consequence of the widespread lack of bees?
Biology
1 answer:
harkovskaia [24]3 years ago
8 0
The most likely consequence of the widespread lack of bees is loss or reduction of food. Majority of food depends on pollination and bees are major pollinators in the ecosystem, playing an essential role in food production among different type of plants. Bee’s declining population is mostly associated to excessive use of pesticides or toxicants in industrial agriculture as well as presence of different parasites or pathogens and even climate change.
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Please answer 5&6. Thank you.
erastovalidia [21]

Answer:

5. The correct answer would be an option A. ova

Note: I assume that all the samples are of human origin.

DNA (deoxyribonucleic acid) content of somatic cells of humans consists of 46 chromosomes or 23 pairs of chromosomes. Gametes (sperm or ova) are haploid cells produced by the process of meiosis and contain half the number of chromosomes found in parent cell. Hence, they contain 23 chromosomes.

6. The correct answer would be an option J.

Sperm formation or spermatogenesis is the process by which spermatozoa (haploid gamete) is produced from germ cell with the help of meiotic division.

Meiosis results in the formation of four haploid (n) cells from single diploid (2n) parent cell. Here, 2n is given as 8 so, n would be equal to 4.

Meiosis I results in the formation of two secondary spermatocyte cells (both haploid or 4 chromosomes in this case) from single primary spermatocyte (diploid or 8 chromosome in this case).

Both the secondary spermatocytes undergo meiosis II to produce 4 spermatids (each haploid or 4 chromosome in this case). Spermatids differentiate and mature into spermatozoa.

3 0
3 years ago
The ___________ membrane is also known as the skin.
Arada [10]
Cutaneous membrane also known as the skin
8 0
3 years ago
Read 2 more answers
What cellular process releases energy by breaking down glucose when oxygen is not available
Ivan

Answer:

d

Explanation:

because  its food that i choke on

3 0
3 years ago
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3. Nowadays many people are using sunscreen lotions as per doctor's advice to protect
evablogger [386]

Answer:

Ozone layer... pollution

Explanation:

The ozone layer is a layer in the atmosphere which provides a barrier between harmful UV rays and the Earth. However, pollution is quickly depleting the layer which in turn creates a higher risk of skin cancers and other conditions caused by harmful UV rays.

7 0
3 years ago
What carries cell waste to the kidneys
nignag [31]

Answer:

The urinary system

Explanation:

5 0
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