Question

can anyone help with my biology?

Answer 1

2. Which of the following describes the MOST important difference between invertebrates and vertebrates?
(1 point)
Vertebrates contain multiple tissues, while invertebrates do not.
Invertebrates contain multiple tissues, while vertebrates do not.
Vertebrates contain a backbone, while invertebrates do not.
Invertebrates contain a backbone, while vertebrates do not.
Biology

love103paris
11 months ago
3. At some point in their lives, all chordates have a flexible supporting rod in their backs called a (1 point)
notochord.
gill.
nerve cord.
backbone.
4. What kind of body plan do most animal phyla exhibit? (1 point)
bilateral symmetry
dorso-ventral symmetry
radial symmetry
no symmetry
5. One evolutionary trend is that as you move from simpler animals to more complex animals, (1 point)
systems become more specialized.
systems become less specialized.
organs become less specialized.
cells become less specialized.

Answer 2

@love103paris