Paramecia use cilia for locomotion and for gathering organic matter. How are rotifers similar?
A. Rotifers and ciliates are thought to have given rise to all other animal phyla.
B. The corona is made of cilia, and used for swimming and feeding.
C. Rotifers are single-celled protists.
D. Both lack a gut.
Answer: B
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Four of the following characterize a population in genetic equilibrium. Which one is the exception?
a. large population size b. no mutations c. differential reproduction d. absence of gene flow e. random mating
All non-African humans today show evidence of a limited amount of past interbreeding with ________
A) Denisovans B) Paranthropus boisei C) Homo ergaster D) Neandertals E) Australopithecus sediba
Nutrients, water, and ions reabsorbed by the proximal and distal tubules enter the ________ capillaries
Fill in the blank(s) with correct word
In intracytoplasmic sperm injection (ICSI), a single sperm is injected into an egg in an attempt to create a zygote.
Answer the following statement true (T) or false (F)