A dome-shaped mass of cells that protects the bottom of the root as it pushes through soil is called the root ________
a. epidermis
b. apical meristem
c. cap
d. tip
c
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Charles Darwin and Alfred E. Neumann co-developed the theory of evolution by natural selection.
Indicate whether the statement is true or false
Briefly explain some of the advantages and disadvantages of living in social groups
What will be an ideal response?
Hybridization between populations upon secondary contact may result in ________
A) reinforcement of the two original species by way of pre- or post-zygotic isolating mechanisms B) the creation of one or more new species as hybrids between the two parental species C) the creation of a hybrid lineage that has higher fitness than either of the parental species D) All of the above are possible. E) None of the above are possible.
Red blood cells are biconcave. Their shape is determined by interior proteins anchored to the membrane termed
A. phospholipids. B. clathrins. C. actin filaments. D. cytoskeleton. E. spectrins.