Bio1331 Animals - Evolution - Ecdysozoans (Lecture Five)

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1. Complete the following sentence:For an ecdysozoan to grow, the cuticle must be _____ and replaced with a larger one.
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Bio1331 Animals - Evolution - Ecdysozoans (Lecture Five) - Quiz

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2. Complete the following sentence:________ is a term meaning the moulting of the cuticle to enable growth.
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3. Please fill answer below_______
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4. The second clade of Ecdysozoans taught in the lectures are the most dominant animals on the Earth, accounting for at least 75% of described species and found in nearly all habitats on the planet.Name this species.
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5. Complete the following sentence:One of the key features of the ecdysozoans is the ___________, a tough, non-cellular, secreted body covering.
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6. Complete the following sentence:Some arthropod joints contain a substance called _______, which stores energy on compression and releases it efficiently, allowing them to jump.
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7. Complete the following:Insects have many adaptations to gas exchange.One of these adaptions is the _________, external openings on the thorax and abdomen. These can be closed to regulate water loss.
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8. True or False?Ecdysozoans had a single common ancestor.
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9. Complete the following sentence:________ were an early arthropod, with simple and repetitive body segmentation and appendages.
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10. The substance that composes the exoskeleton is leathery in its pure form, but becomes harder when encrusted with calcium carbonate.It is found within the endocuticle of the exoskeleton.Name this substance.
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11. True or False?Butterflies were the first insects to fly.

Explanation

FALSE!
Dragonflies were in fact the first insects to fly.

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12. Approximately when did moulting evolve?
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13. The Nematodes are a clade of Ecdysozoans.Tick everything below that this group of organisms are/have.
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14. Arthropods have many adaptions that increase their survivability.Link the adaptions to the correct advantage that the adaption provides to the organism.
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15. Insects are an incredibly diverse and abundant clade of Arthropods.Insects have 3 body regions that have different features.Match the body regions to their features.
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Complete the following sentence:For an ecdysozoan to grow, the cuticle...
Complete the following sentence:________ is a term meaning the...
Please fill answer below_______
The second clade of Ecdysozoans taught in the lectures are the most...
Complete the following sentence:One of the key features of the...
Complete the following sentence:Some arthropod joints contain a...
Complete the following:Insects have many adaptations to gas...
True or False?Ecdysozoans had a single common ancestor.
Complete the following sentence:________ were an early arthropod, with...
The substance that composes the exoskeleton is leathery in its pure...
True or False?Butterflies were the first insects to fly.
Approximately when did moulting evolve?
The Nematodes are a clade of Ecdysozoans.Tick everything below that...
Arthropods have many adaptions that increase their survivability.Link...
Insects are an incredibly diverse and abundant clade of...
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