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Sphinxa [80]
2 years ago
14

The only vertebrates in which blood flows directly from respiratory organs to body tissues without first returning to the heart

are the _____.
Biology
1 answer:
drek231 [11]2 years ago
4 0

The answer is <u>fishes</u>. Fish are unique in the aspect that they are the only vertebrates that blood circulates directly from respiratory organs to body tissues without returning to the heart first.

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Water evaporates from a lake. Arrange the next steps of the water cycle in the correct order.
Sedaia [141]

Answer:

1. Water vapor condenses to form clouds.

2. Water falls as rain, snow, and sleet.

3. Water flows down mountains and hills.

4. Water joins streams or forms groundwater.

7 0
2 years ago
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Which term describes the breaking down of body cells or substances?
Alex777 [14]
The term which describes the breaking down of body cells or substance is CATABOLISM.
The metabolic processes which occur in living things are of two types, these are anabolic and catabolic processes. The anabolic process involves the building up of needed materials in the body while the catabolic process involves the breaking down of waste materials in the body in order to eliminate them through excretion.
6 0
2 years ago
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Fruit flies have a diploid number of 8, and honeybees have a diploid number of 32. In which case will crossing over have greater
Yanka [14]

Answer:

            The correct option is A.

Explanation:

              As we know that genetic variation that result from crossing over depend on the number of genes and their alleles. When there are more genes in genome the chances of polymorphic loci will increase, which will result into more genetic variation during crossing over.

Forexample:

                    Drosophila melanogaster is a common fruit fly having diploid number of 8 chromosome composed of 122,653,977 base pairs, and about ~17,000 genes.  Honey bees have diploid number of 32 chromosomes composed of approximately 2360000 base pairs, and 10,000 genes.    

Conclusion:

                      As fruit fly genome contain more genes and polymorphic loci, so genetic variation is more likely to be greater in fruit fly.


5 0
2 years ago
While on a field trip near the ocean coastline, you visit a company that harvests jellylike substance from protists. This substa
devlian [24]

Answer:

Agar

Explanation:

In the given question, the substance obtained from a multi-cellular organism with its plant-like and stores starch like a plant is the algae.

Many useful substances are obtained from these algae whose characteristics are given are like they are jelly-like, used as food, used to grow the cultures of organism shows the properties of a chemical called agar.

Agar is obtained from the species of genus Gelidium and the Gracllaria red algae which are plant-like organisms.

Thus, agar is the correct answer.

5 0
2 years ago
The stem is responsible for providing support to the plant. A is a type of stem that grows underground. It’s capable of asexual
STatiana [176]
Rhizome

Rhizomes are a type of stem that grows horizontally underground. They are capable of propagating vegetatively or asexually. Rhizomes store starches and proteins that allow them to grow all-year-round underground. Examples of which would be ginger, turmeric and lotus. 
6 0
2 years ago
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