Description of baleen plates

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Reference no: EM133971075

Question

1. Which is a correct description of baleen plates?

They are soft and have hairs all around their surface.
They are rigid and have hairs all around their surface.
They are rigid and have small hairs on one side only.
They are soft without any hairs.
They are rigid without any hairs.

2. Guano is a valuable commodity used as fertilizer in Peru and Chile. What is guano?

The remains of dead birds living along the coast
Discarded ambergris from passing whales
Excrement from cormorants, pelicans, and boobies
Decayed remains of marine iguanas and sea turtles
Ancient oil deposits from millions of years ago

3. The humpback and other baleen whales migrate every year to do which of the following?

Feed in Antarctica during winter
Reproduce in Antarctica during summer
Reproduce in the tropics during winter
Feed in the tropics during winter
Feed in the tropics during summer

4. Which sense does echolocation rely on?

Vibrations
Electromagnetic waves
Vision
Smell
Sound

5. Which of the following has teethlike, placoid scales covering its body?

A tiger shark
A red snapper
A sea anemone
A porcupine fish
A parrot fish

6. Which of the following are characterized by having segmented, bilaterally symmetrical body plans with jointed legs?

Arthropods
Echinoderms
Mollusks
Chordates
Cnidarians

7. Which organisms release nutrients that can then be taken in by autotrophs?

Decomposers
Producers
Tertiary consumers
Primary consumers
Carnivores

Reference no: EM133971075

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