While hiking in a forest, you notice an unusual plant growing on the branches of a tree. What will help you to determine if this plant is epiphytic or parasitic?
A) If the plant is green, it is epiphytic; if not, then it is parasitic.
B) The root of an epiphytic plant will be in the soil, but a parasitic plant will grow from the trunk of a tree.
C) The roots of a parasitic plant will penetrate under the bark into the tree xylem, and the roots of epiphytic plant will not.
D) The epiphytic plant will have large water collecting leaves, and the parasitic plant will not.
C
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many other vertebrates, is evidence of ____ of genetic material.
a. an inversion b. duplication c. reciprocal translocation d. deletion e. both duplication and deletion
Osmosis is the diffusion of which of the following across a membrane?
a. Water b. Solutes c. Gradients d. Proteins
The breast consists of about 15 or 20 clusters of _____, each with a separate opening to the nipple.
A. areolas B. mammary glands C. oviducts D. fimbriae
Male gonads are __________, which produce sperm
and the sex hormone __________. Fill in the blank(s) with the appropriate word(s).