High production of coral reefs relative to the surrounding sea is attributed to:
a. the coral's ability to trap nutrients.
b. the unique structure of the corals.
c. the abundant phytoplankton surrounding the coral animals.
d. the symbiotic relationship of coral animals and dinoflagellates.
D
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Based on fossil evidence, ____ is the oldest of the species listed
a. Homo habilis b. Homo erectus c. Australopithecus africanus
d. Australopithecus afarensis e. Homo neanderthalensis
Four of the five answers listed below are related by a common division association. Select the
exception. a. mitochondria b. chromosomes c. ribosomes d. plastids e. microbodies
Deletions are chromosomal aberrations in which some portion of a chromosome is missing. Describe a method using Drosophila deletions to determine the actual, physical location of a gene
What will be an ideal response?
Which of the following questions can NOT be answered using the scientific method?
A. What was the first living organism on Earth? B. Does a particular gene influence aging in mice? C. How does migration affect the reproductive success of monarch butterflies? D. How does coastal development affect wetland biodiversity?