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docker41 [41]
3 years ago
12

Fishes are poor bioindicators of the environmental health of an aquatic system.

Biology
1 answer:
SVETLANKA909090 [29]3 years ago
8 0

Answer:

b. False

Explanation:

Bioindicators are species, species groups or biological communities whose presence, abundance and conditions are biological indicative of a particular environmental condition. Bioindicators are important to correlate with a particular anthropogenic factor or a potentially impacting natural factor, representing an important tool in assessing the ecological integrity (health status of an area, defined by comparing the structure and function of a biological community between a impacted area and reference areas).

Contamination of aquatic environments and water for public use becomes a growing problem as human population growth expands, as does the demand for sufficient and quality water. Fish are very sensitive to contamination of aquatic environments and are therefore strong bioindicators of the environmental health of an aquatic system.

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What are the two parts of the peripheral nervous system
Elenna [48]

Answer:

 the somatic nervous system and the autonomic nervous system

Explanation:

The somatic nervous system is responsible for both sending and receiving sensory and motor information to the central nervous system.

The autonomic nervous system is responsible for regulating involuntary body functions. For example, heart rate, breathing, and digestion.

5 0
3 years ago
Match each description with the correct taxonomic grouping.
Ad libitum [116K]

1 .insecta

2.arachnida

3.  bryophyta

4.  mollusca

5.  mammalia

6.  aves

<u>Explanation:</u>

six legs and three body parts- insecta

2.eight legs and two body parts- arachnida

3. non-vascular and reproduces by spores- bryophyta

4. soft bodies with hard shells- mollusca

5. give birth to live young ones- mammalia

6. lays eggs on land and flies- aves

5 0
3 years ago
A sound wave with a frequency of 300 hertz is traveling through a medium at a speed of 320 meters/seconds. What is it’s waveleng
dalvyx [7]

1. The wavelength is the ratio of the wave's speed to its frequency in hertz or 1/s. This is shown below,
                           λ = s / f = (320 m/s)  / (300 1/s) = 1.07 m
The wavelength is approximately 1.07 m.

2. The frequency is the ratio between speed and the wavelength,
                        f = (330 m/s) / 0.45 m = 733.33 hertz

Read more on Brainly.com - brainly.com/question/1553993#readmore
5 0
3 years ago
Which best describes the main role of nuclei acids in living things?
sveticcg [70]

Answer:

Nucleic acids are the most important macromolecules for the continuity of life. They carry the genetic blueprint of a cell and carry instructions for the functioning of the cell. The two main types of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA).

Explanation:

dang it.

7 0
3 years ago
Which statement best compares and contrasts two physical properties of matter?
Dima020 [189]

Answer:

Density and solubility are similar because they both involve water, but they are different because density involves  dissolving a material and solubility involves floating or sinking a material.

Explanation:

pls mark brainiest

5 0
3 years ago
Read 2 more answers
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