You are a botanist surveying a previously unstudied island. You discover a plant that has xylem with
tracheids but no vessel elements. The plant does not require any external water for fertilization. Into
which group should you classify this plant?
a. Gnetophytes
b. cycads
c. gymnosperms
d. angiosperms
e. monocots
C
Biology & Microbiology
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The fusion of gametes during fertilization restores the ____________________ number of chromosomes
Fill in the blank(s) with correct word
Biology & Microbiology
All major animal lineages were present in the seas by the end of the ________ period
a. Cambrian b. Cretaceous c. Quaternary d. Carboniferous
Biology & Microbiology
In humans, the thirst center is located in the ____
a. adrenal cortex b. hypothalamus c. anterior pituitary d. pons e. thymus
Biology & Microbiology
CCK is a gut peptide thought to be a(n) _________ peptide,
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology