Apomixis refers to a type of sexual reproduction
____________________ Indicate whether the statement is true or false.
F, asexual
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Which of the following is a characteristic of whisk ferns?
a. yellow knobs on branch tips b. deep, branching roots c. large, fringed fronds d. reddish-brown sporophytes
Intrinsic factor is used to aid in the absorption of
a. vitamin E. b. vitamin C. c. vitamin D. d. vitamin K. e. vitamin B12.
The proper term for the small gap at the synapse that separates the sending neuron from the receiving neuron is the synaptic
A. space. B. fissure. C. divide. D. cleft.
Of the following combination of statements about protostomes and deuterostomes, which choice is correct?
A. Protostomes are animals in which the mouth develops from the blastopore, and the anus or anal pore develops from the second opening. Deuterostomes are animals in which the anus develops from the blastopore and the mouth develops secondarily later in their development. B. Protostomes are animals in which the mouth or anus develops from the blastopore, depending on the species. Deuterostomes are animals in which the mouth and anus develops from the blastopore, depending on the species. C. Protostomes are animals in which the anus develops from the blastopore, and the mouth develops from the second opening. Deuterostomes are animals in which the anus develops from the blastopore and the mouth develops secondarily later in their development. D. Protostomes are animals in which the mouth develops from the blastopore, and the anus or anal pore develops from the second opening. Deuterostomes are animals in which the mouth develops from the blastopore and the anus develops secondarily later in their development.