A pine tree is
a. an angiosperm.
b. a haploid plant body.
c. a sporophyte.
d. the dependent stage in the conifer life cycle.
e. all of these.
Answer: c
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What is the fate of H2 produced within a rumen?
A) It is released via eructation (belching). B) It is transformed, along with other ions, into inorganic compounds. C) It is used in acetogenesis. D) It is used in methanogenesis.
The primary lipid components of the membranes of extreme thermophiles are ________.
A. 40 carbon diglycerol tetraethers B. cholesterol C. 20 carbon diglycerol diethers D. sulfolipids
When light hits the retina, the image is
a. exactly as it enters the eye. b. upside down. c. reversed left to right. d. upside down and normal from left to right. e. upside down and reversed left to right.
Your ________ is a measure of your impact on the environment based on the amount of greenhouse gases you emit
Fill in the blank(s) with correct word