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Biology: Body Coverings and Movement

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Questions and Answers

What are the primary components of the body covering in the organism described?

Hair and sweat glands
Skin, chitinous bristles, and mucous glands (correct)
Scales and feathers
Exoskeleton and segmented plates

What type of movement is likely to be present in the organism based on the provided information?

Movement by fluid pressure or hydrostatic skeleton
Active movement using cilia or flagella
Passive movement by wind or water currents
Active movement using muscles and appendages (correct)

What is the significance of the presence of mucous glands in the body covering?

To protect the organism from predators and parasites (correct)
To help the organism adhere to surfaces
To aid in the absorption of nutrients
To regulate body temperature

If the organism lacks a skeleton, how does it maintain structural support?

<p>It relies on hydrostatic pressure within its body cavities (A)</p> Signup and view all the answers

What is the likely function of the chitinous bristles found on the organism's body?

<p>All of the above (D)</p> Signup and view all the answers

Flashcards

Body Cover

The outer layer of an organism, including skin, cuticle, and bristles.

Chitinous Bristles

Rigid hair-like structures made of chitin that provide support and protection.

Mucous Glands

Glands that produce mucus for lubrication and protection.

Missing Skeleton

Absence of a traditional internal skeleton in some organisms, relying on other structures for support.

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Muscle Types

Circular and longitudinal muscles that facilitate movement in organisms.

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Study Notes

Body Coverings

Skin with cuticle
Chitinous bristles
Mucus glands

Skeletal System

Missing skeletal structure

Movement

Circular and longitudinal muscles

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