Zebrafish (Danio rerio) are especially useful in the study of early development because their embryos ______________.
(a) are exceptionally large.
(b) develop slowly.
(c) are transparent.
(d) are pigmented.
Answer: C
Zebrafish (Danio rerio) are especially useful in the study of early development because their embryos ______________.
(a) are exceptionally large.
(b) develop slowly.
(c) are transparent.
(d) are pigmented.
Answer: C