Which statement is true of all algae?
a. They are seaweeds.
b. They are unicellular.
c. They are in the same supergroup as land plants.
d. They are photosynthetic.
e. They are closely related to diatoms.
Answer: d. They are photosynthetic.
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Volume is the measurement of
(a) a line, extending from one point to another. (b) the space an object occupies. (c) the quantity of matter present in an object. (d) the degree of hot or cold of an object.
Fossils
a. are remains of organisms. b. are formed when organic materials are replaced with minerals. c. provide evidence of evolution. d. are all of the above.
Your textbook, and many (but not all) paleoanthropologists, refer to a species more closely related to humans than to chimps as a(n) ________
Fill in the blank(s) with correct word
Which phase of cell division is depicted in the accompanying figure?
a. prophase of mitosis b. metaphase of mitosis c. prophase I of meiosis d. prophase II of meiosis e. metaphase I of meiosis