Which of the following statements is correct?
A) Prokaryotic cells and eukaryotic cells evolved at the same time.
B) Prokaryotic cells evolved a lot earlier (over a billion years) than eukaryotic cells.
C) Eukaryotic cells evolved a lot earlier (over a billion years) than prokaryotic cells.
D) Scientists do not have any evidence on whether prokaryotic or eukaryotic cells evolved first.
B
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A mutualistic association between a plant root and a fungus is known as a
(a) sac fungus. (b) lichen. (c) mycorrhizal root. (d) club fungus.
According to the theory of endosymbiosis, ________ were once free-living prokaryotic organisms
a. mitochondria and chloroplasts b. all of the choices c. ribosomes d. the nucleus and endomembrane system
Which major tissue category often has more extracellular matrix material than cellular material?
a. epithelial tissue b. connective tissue c. muscle tissue d. nervous tissue e. adipose tissue
Uptake of food particles by trapping them within an invagination of the plasma membrane is called ________
Fill in the blank with correct word.