What subphylum do spiders belong to?
A. Arachnida
B. Arthropoda
C. Chelicerata
D. Crustacea
E. Malacostraca
Answer: D. Crustacea
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Which plant family provides the majority of calories that humans consume?
a. potato family (Solanaceae) b. euphorb family (Euphorbiaceae) c. pea family (Fabaceae)
d. grass family (Poaceae) e. rose family (Rosaceae)
The site of new primary growth at the apex of a shoot is the
a. terminal bud. b. internode. c. axil. d. lateral bud. e. node.
Select the correct sequence of animal
developmental events. a. fertilization >>> cleavage >>> gastrula >>> blastula b. fertilization >>> cleavage >>> blastula >>> gastrula c. fertilization >>> blastula >>> cleavage >>> gastrula d. fertilization >>> gastrula >>> blastula >>> cleavage e. fertilization >>> blastula >>> gastrula >>> cleavage
Pili may do all of the following EXCEPT
a. help cells attach to surfaces. b. function in reproduction. c. extend from the cell surface. d. be transferred between cells. e. function in cell locomotion.