Question

Homeostasis is a (1 point)
A) step in embryological development.
B) stable internal environment.
C) response to a stimulus.
D) phylum of invertebrates.

5. When an animal’s environment changes, sexual reproduction improves a species’ ability to (1 point)
A) react to new stimuli.
B) increase its numbers rapidly.
C) adapt to new living conditions.
D) produce genetically identical offspring.

Answer 1

the first one is B

Answer 2

thanks.....do you know the second one?

Answer 3

3. Which of the following correctly describes the major types of animals? (1 point)
A) All chordates share a common ancestor, but there is no common ancestor of all invertebrates.
B) All invertebrates are chordates; vertebrates are a group that is separate from both invertebrates and chordates.
C) All invertebrates are chordates; vertebrates are a group that is separate from both invertebrates and chordates.
D) Chordates are the largest group, and it is subdivided into two groups: vertebrates and invertebrates.

Answer 4

yes the second one is C

Answer 5

Was this what you needed help with?

Answer 6

yes and what about the third question?