The California newt is found only in California. This is an example of a(n) ________ species
A) ubiquitous
B) metapopulation
C) endemic
D) invasive
C
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While observing a new species of seaweed under the microscope, it becomes apparent that the entire organism is one large cell containing several nuclei. Which of the following best describes the organization of this organism?
A. coenocytic B. complex multicellular C. simple multicellular D. filamentous E. eukaryotic
Seagrasses can reach high productivity levels with the aid of:
a. oxygen brought to their roots via mud shrimp burrows. b. symbiotic, nitrogen-fixing bacteria. c. their leaves, cleared of epiphytes by grazers. d. fertilization by manatees. e. eutrophic water conditions.
The Precambrian supereon, in which life first appeared and diversified to multicellular eukaryotes, lasted approximately ___ of the geologic timescale.
A. 50% B. 30% C. 15% D. 85% E. None of the answer choices is correct.
Which component of the Calvin cycle is recycled, and why is this important for the Calvin cycle?
What will be an ideal response?