Question

1. A student looks at a slice of tissue on an unlabeled microscope slide. The student concludes the tissue is not from an animal because the cells in the tissue have (1 point)

Answer 1

1. A student looks at a slice of tissue on an unlabeled microscope slide. The student concludes the tissue is not from an animal because the cells in the tissue have (1 point)
membrane-bound organelles.
nuclei.
cell membranes.
cell walls.

Figure 25-1

2. Look at the illustration in Figure 25–1 above. Which letter represents the hollow nerve cord? (1 point)
A
B
C
D
3. Which of the following correctly describes the major types of animals? (1 point)
All chordates share a common ancestor, but there is no common ancestor of all invertebrates.
All invertebrates are chordates; vertebrates are a group that is separate from both invertebrates and chordates.
All invertebrates are chordates; vertebrates are a group that is separate from both invertebrates and chordates.
Chordates are the largest group, and it is subdivided into two groups: vertebrates and invertebrates.
4. Homeostasis is a (1 point)
step in embryological development.
stable internal environment.
response to a stimulus.
phylum of invertebrates.
5. When an animal’s environment changes, sexual reproduction improves a species’ ability to (1 point)
react to new stimuli.
increase its numbers rapidly.
adapt to new living conditions.
produce genetically identical offspring.

Answer 2

http://quizlet.com/8787971/print/

Answer 3

the answers are d b a b c andthe answer to te next test is d c c c b :)

Answer 4

let me know if you need anymore help

Answer 5

Welcome to OpenStudy, @cats4eva !

Answer 6

god bless u @ALYSSA_Irene_Keeton