Question

Mammals, birds, modern reptiles, and theropod dinosaurs are vertebrates. The table below shows some of the differences and similarities among these groups of vertebrates.


Birds, mammals, and theropod dinosaurs can maintain a constant body temperature. The ability to maintain a constant body temperature is an example of


A respiration
B homeostasis
C a reptilian trait
D an acquired trait

Answer 1

the answer is B

Answer 2

Use the information and the table below to answer the following.
The breathing rate of a goldfish can be measured by the number of times the goldfish opens its mouth. In an experiment, students placed a goldfish in a container of water at 26°C and counted the number of times the fish opened its mouth. They gradually lowered the water temperature and counted the number of times the fish opened its mouth at 20°C, 14°C, 8°C, and 2°C. The results are shown in the table below.


Which of these descriptions best explains the decrease in the breathing rate of the goldfish?


A The demand for oxygen increased.
B The rate of metabolic activity decreased.
C The demand for carbon dioxide decreased.
D The fish's activity levels increased.

Answer 3

B is the answer