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LenKa [72]
3 years ago
14

A nudibranch is a jelly-bodied animal that lives in shallow ocean waters. They range in size from less than an inch to 12 inches

, and they have a life cycle of up to one year.
How would you classify a nudibranch: vertebrate or invertebrate? Be sure to justify your answer.
Biology
2 answers:
topjm [15]3 years ago
9 0

Answer:

Sample Response: A nudibranch would be classified as an invertebrate. It has a jellylike body with no backbone and no endoskeleton. It has a short life cycle. Though colorful, it is not as complex as a vertebrate.

Explanation:

I just took the assignment

AURORKA [14]3 years ago
6 0

Nudibranchs are are invertebrates just like crustaceans, mollusks, sponges, corals, sea cucumbers, etc. These marine animals don't have a backbone, which is a characteristic of invertebrates.

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Which structure contains peptidoglycan in bacteria? What is the name of the structure?
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A 6,000 kg train car is moving to the right at 10 m/s and connects to a 4,000-kg train car that wasn't moving. What is the veloc
SIZIF [17.4K]

6 m/s

This type of collision is a <u>Inelastic collision </u>

Explanation:

We begin by finding the momentum of the initial train car;

Remember that momentum is given by the formulae mass (kg) * velocity (m/s)

Therefore;

Momentum = 6000 * 10

= 60,000 kg⋅m/s

The other car has zero momentum because;

4000 * 0

= 0

When the two train cars collide, the total momentum will be;

60,000 + 0 = 60,000

Therefore to find the velocity, well use the same formulae;

p = mv  whereby;

p – momentum

m – mass

v – velocity

60,000 = (6000 + 4000) * v

v = 60,000 / 10,000

v = 6

= 6 m/s

This is an elastic collision because we are assuming that no energy is lost in the collision. Most collisions, however, are not elastic but rather inelastic. In inelastic collision some of the kinetic energy is lost to the environment in some other form of energy such as heat energy.

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Answer:

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