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aksik [14]
3 years ago
5

What appears to happen to the number of red blood cells between birth and 2 months

Biology
2 answers:
ohaa [14]3 years ago
6 0

Answer:

between birth and 2 months the number of red blood cells decreaces

Explanation:

Red blood cells decrease as a natural consequence of going from an oxygen deficit environment in the womb to an oxygen rich environment outside

Anon25 [30]3 years ago
3 0
The number of cells decrease 
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Explain how the exon/intron structure of genes contributes to the generation of new gene functions during evolution.
Temka [501]

Answer:

The exons may be defined as the coding region of the RNA that codes for the particular amino acid. The introns are the non coding region of RNA and must be removed in the final RNA product.

Exon shuffling result in the formation of new gene. The alteration of the exon and intron structure leads to the new gene function in evolution. The genes that are favored and conserved in the evolution perform new gene function. The genes that are selected against are deleted during the evolution.

4 0
3 years ago
Describe how some plants or animal populations survive in the presence of pesticides.
Elanso [62]

Answer:

pesticides are in the form of insecticides,fungicides,herbicides plant growth regulators and so on

Explanation:

Pesticides are lethal to target pests but not to the non-target pests it includes humans as well. The application of pesticides brings gain to the farmers by getting higher yields for better and protected crops. Insecticides act against insects growth, herbicides protects herbs, weeds from its pests, rodenticides protects from rats,avicides protects birds fungicides act against fungi and nematicides act against nematodes. Pesticides are divided according to their types.To protect some plant and animals population which can withstand with pesticides environment.

4 0
3 years ago
41. A student studying the biosphere makes a list of biotic and abiotic characteristics of various biomes. Which characteristic
forsale [732]
· Abiotic factors are nonliving, such as temperature, sunlight, and soil in an ecosystem.
· Biotic factors are the living parts of an ecosystem, such as plants and animals.

Given the above, the biotic factor listed is evergreen trees in a coniferous forest.

The other options - soil, precipitation, and temperature - are abiotic.

Answer:
<span>C. evergreen trees present in a coniferous forest
</span>
3 0
3 years ago
Read 2 more answers
In the human body, oxygen is absrobed by the lungs and nutrients are absorbed by the small intestine.In a single-celled organism
SOVA2 [1]

Answer:

cell membrane

Explanation:

Single cell organisms like the bacteria depend mostly on diffusion for gaseous exchange. They take in food that does not require complex digestion processes. The cell membrane is selectively permeable and allows absorption of nutrients like glucose that have molecules of small size.

4 0
3 years ago
Which is not a characteristic of fungi
Scrat [10]
Fungi can'r perform the process of "Photosynthesis", they are heterogeneous.!!

Hope this helps!
6 0
3 years ago
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