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torisob [31]
3 years ago
8

Directions: Type your answer in the box. You may use numerals or words.

Biology
1 answer:
djverab [1.8K]3 years ago
7 0
Jsidjeveuwve hehe when e
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Which characteristic differentiates amphibians from reptiles?
Stells [14]

Option D – amphibians may use their skin for gas exchange is the characteristic feature of amphibians that differs from reptiles.

Explanation:

The amphibian skin is moist, thin and marbled and supplied by blood vessels running on its surface. The moisture present in the skin dissolves the oxygen present in its surrounding which is absorbed by the blood vessels. Special glands help the amphibians to keep the skin moist.

The very thick and tough scales present on the reptiles prevent them to absorb oxygen through their skin. Hence, they breathe and respire through their lungs.

Amphibians have three-chambered heart. They do not develop amniotic eggs. Adult amphibians although spend much time on land, they breed only in water due to the absence of amniotic sac .

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3 years ago
A plant has a unique photosynthetic pigment, causing the leaves of it to appear reddish-yellow. What wavelengths of visible ligh
guajiro [1.7K]

Answer:

Carotenoids absorb light maximally between 460 nm and 550 nm and appear red, orange, or yellow to sight.

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3 years ago
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Which drug is a treatment for a bacterial infection, such as strep throat?
Alex73 [517]

Answer:

a drug called an antibiotic​

Explanation:

A drug called antibiotics is a treatment used for a bacterial infection such as strep throat.

Antibiotics are medicines that are used to treat a wide range of bacterial infections.

These drugs destroys bacteria by preventing them from replicating and reproducing their copies. This way the strain is unable to continue one of its essential life function.

These substances are active against bacteria and provides a toxic condition for them to replicate.

3 0
3 years ago
If one compares the base sequences of related genes from different species, one is likely to find that corresponding ________ ar
just olya [345]

Answer:

B. introns; exons

Explanation:

Related genes from different organism usually translate to proteins of indispensable functions. This means that the proteins must be similar in terms of amino acids produced. Therefore the coding region must be highly conserved. These can be found in the introns. Conversely, exons are not a part of the coding sequence and therefore not required for translation. These sequences may be less conserved.

7 0
3 years ago
How can speciation of plants benefit humans?
zepelin [54]
Speciation of plants can make us grows plants with a desired attribute.

This make the plants that we want could fulfill more of our needs, whether it's nutrients , material, or aesthetic purposes

hope this helps
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3 years ago
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