Question 1

Which of the following best describes the relationship between animal body size and the evolution of transport systems?

Accepted Answer

Increasing body size leads to more cells, necessitating the evolution of systems to transport materials to and from cells.

Question 2

Which type of symmetry allows an animal to be divided into two equal halves along only one plane?

Accepted Answer

Bilateral symmetry

Question 3

Which tissue type is primarily responsible for lining cavities, open spaces, and surfaces in animal bodies?

Accepted Answer

Epithelial tissue

Question 4

Which of the following is a function of simple squamous epithelial tissue?

Accepted Answer

Facilitating rapid diffusion and filtration

Question 5

Which connective tissue type forms the subcutaneous layer that attaches skin to underlying structures?

Accepted Answer

Loose connective tissue

Question 6

Which of the following best explains why elastic connective tissue is found in the walls of large arteries?

Accepted Answer

It allows the arteries to expand and return to their original size after each heartbeat.

Question 7

Which connective tissue type is characterized by chondrocytes embedded in a hard, rubbery matrix and provides support in the embryonic skeleton of vertebrates?

Accepted Answer

Cartilage

Question 8

Which of the following is a major function of adipose tissue?

Accepted Answer

Storing energy and cushioning internal organs

Question 9

Which type of muscle tissue is striated, branched, and uninucleated, and is found only in the walls of the heart?

Accepted Answer

Cardiac muscle

Question 10

Which of the following best describes the role of glial cells in nervous tissue?

Accepted Answer

They support, nourish, and protect neurons.

Question 11

Which feedback system is primarily responsible for maintaining homeostasis by counteracting internal changes?

Accepted Answer

Negative feedback system

Question 12

A patient is experiencing a rapid increase in body temperature due to infection. Which homeostatic mechanism will most likely be activated to restore normal temperature?

Accepted Answer

Negative feedback loop to counteract the temperature rise

Question 13

Which equation best represents the relationship between metabolic rate and body mass in animals?

Accepted Answer

$$Metabolic\ Rate = Body\ $$Mass^{0.75}$$

Question 14

Which of the following is NOT a function of epithelial tissue?

Accepted Answer

Generating movement

Question 15

Which organ system is primarily responsible for generating and sending electrical signals throughout the body?

Accepted Answer

Nervous system

Question 16

Which of the following best explains why most biological systems use negative feedback rather than positive feedback?

Accepted Answer

Negative feedback maintains stability by reversing changes.

Question 17

Which of the following scenarios is an example of positive feedback in biological systems?

Accepted Answer

Childbirth contractions intensifying until delivery

Question 18

Which of the following statements about homeostasis is correct?

Accepted Answer

Homeostasis can adjust to new set points when the environment changes.

Question 19

Which of the following best describes the function of reticular connective tissue?

Accepted Answer

It provides a supporting internal framework in organs such as the spleen and lymph nodes.

Question 20

Which of the following is a real-world example of how alteration in one organ system can help maintain homeostasis in another system?

Accepted Answer

Increased heart rate during exercise to supply more oxygen to muscles

Animal Body Plan: Form & Function

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