A water-vascular system is characteristic of the
phylum
a. Arthropoda.
b. Annelida.
c. Chordata.
d. Mollusca.
e. Echinodermata.
Answer: e
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Which of the following is NOT a characteristic of all animals?
A. Animals are multicellular eukaryotes. B. Animals digest their food internally. C. The adult form is diploid in an alternation of generation life cycle. D. Animals are heterotrophic by ingestion or absorption. E. Animals produce gametes by meiosis.
An abscess is a collection of pus
Indicate whether this statement is TRUE or FALSE.
The question asks about the configuration of electrons in an atom.
What will be an ideal response?
The endosymbiotic theory is supported by the work
of __________ on bacteria-infected Amoeba proteus. a. Stanley Miller b. Jeon Kwang c. Thomas Brock d. Lynn Margulis e. Australian researchers