Among the longest surviving group of gymnosperms, the ________ had relatives alive on earth during the days of the dinosaur.
A. monocots
B. dicots
C. ferns
D. cycads
Answer: D
Biology & Microbiology
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Atoms with different numbers of which component are considered to be distinct elements?
a. electrons b. neutrons c. protons d. orbitals
Biology & Microbiology
Cadherin is an example of:
A. a motor protein. B. an intermediate filament protein. C. a cell adhesion molecule. D. an extracellular matrix protein.
Biology & Microbiology
The middle ear functions in _____
a. detecting shifts in body position b. amplifying and transmitting sound waves c. sorting sound waves out by frequency
Biology & Microbiology
In which trial did the most control crabs die? In which did
the most bled crabs die? Looking at the overall results, how did the mortality of the two groups differ? Based on these results, would you conclude that
1.male horseshoe crabs have higher mortality rates than females. 2.handling horseshoe crabs can cause mortality. 3.bleeding harms horseshoe crabs more than capture alone does. 4.mortality rate increased with time spent in captivity.