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SCORPION-xisa [38]
2 years ago
8

How does starfish obtain and distribute oxygen and nutrients

Biology
1 answer:
vovangra [49]2 years ago
6 0

Starfish have a unique form of digestion in the animal kingdom and a water-vascular system that allows the animal to breathe.

All your answers should be in this article: 
http://animals.mom.me/feeding-respiration-starfish-6596.html
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Explain how mutations can alter a DNA strand and ultimately a protein structure. Make sure to include point mutation, frameshift
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Answer:

By changing a gene's instructions for making a protein, a mutation can cause the protein to malfunction or to be missing entirely. When a mutation alters a protein that plays a critical role in the body, it can disrupt normal development or cause a medical condition

Explanation:

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2 years ago
¿Párrafo de la situación de los osos polares?
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No se Emile no w ye no se
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8. What is a metabolic pathway? (1pt)
KengaRu [80]

Answer:

What is a metabolic pathway?

Metabolic pathways could be simply defined as ways whereby reaction occurs chemically within a cell which are carried about by enzymes called metabolites, those enzymes helps in hasten up the reaction.

Explanation:

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3 years ago
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Birds migrating, cats chasing prey, sea turtles moving toward the ocean immediately after birth, and joeys moving to the mother'
Lapatulllka [165]

The answer is 'instinct'. This is innate complex behavior exhibited by an organism that is not learned. Some common examples are dogs shaking themselves dry when wet, honeybee communication via intricate dances, animal courtship behavior during mating season and the building of nests by birds.

7 0
2 years ago
3. How does the salinity in water change as you move from inland areas out towards the ocean? Be sure to include the phrase "bra
Len [333]

Answer:

Explanation below.

Explanation:

3. The salinity of water increases as the water moves from the inland area to the ocean. This is because the ocean has high salinity.

Salinity is the amount or concentration of salt in the water.

WAYS BY WHICH ESTUARIES PROTECT THE INLAND AREAS

1. The plant in estuaries prevent shoreline erosion.

2. Protect the inland areas from flooding.

3. Protect the inland areas from storm surges from hurricane.

IMPORTANCE OF ESTUARIES TO INLAND PEOPLE AND WILDLIFE.

1. They provide nesting and feeding habits for many aquatic plants and animals.

2. Provide goals and services that are economically and ecologically indispensable.

3. Prevent shoreline erosion

4. Protect the inland areas from flooding.

IMPACTS OF DREDGING ON FISH LIVING ESTUARIES.

Dredging have negative impacts on the organisms in estuaries. These are

1. Habitat degradation

2. Remobilization of contaminants

3. Increase rate of sedimentation.

4. Increased the concentration of suspended matter.

8 0
3 years ago
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