Which invertebrate has an endoskeleton
a. clams
b. lobsters
c. sea stars
d. earthworms
e. shrimp
ANSWER: c
You might also like to view...
T cells interact with the peptide-MHC complex using
A) cytokines. B) granzyme and perforin. C) T-cell receptors. D) the antibodies present on the surface of the cell.
Social attachments are formed between parents and offspring.
Choose the letter of the best match: A. cognition B. waggle dance C. navigation D. filial imprinting E. fixed action pattern
Which is a benefit of sexual reproduction over asexual reproduction?
a. More offspring can be produced. b. The offspring are all identical to the parents. c. There is less variation from generation to generation. d. Evolution will occur at a slower rate when there are two parents. e. The interaction of the genes from both parents brings about genetic variatio
Homologous chromosomes are identical copies of each other.
Answer the following statement true (T) or false (F)