In insects, air enters through a ____ and is delivered to interstitial fluid
a. spicule
b. spiracle
c. stoma
d. foramen
e. gill
b
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If the cell whose nuclear material is shown in the accompanying figure continues toward completion of mitosis, which of the following events would occur next?
A) cell membrane synthesis B) spindle fiber formation C) nuclear envelope breakdown D) formation of telophase nuclei E) synthesis of chromatids
Venus flytraps live in low pH soils that have poor nutrition. They have adapted specialized leaves and nectars to attract and trap their food of choice. Which of the following describes Venus flytraps?
a. saprophyte b. epiphyte c. insectivore d. parasite
What type of structures are Merkel discs, Ruffini endings, and Pacinian corpuscles?
What will be an ideal response?
If short hair (L) is dominant to long hair (l), then what fraction of the offspring produced by a cross of Ll ยด ll will be
homozygous dominant? a. 1/2 b. 1/4 c. 1/3 d. 0 e. 2/4