Edge effects are the result of which of the following?
A. Populations of flora and fauna have emigrated from the core of their population center to the edge of their habitat.
B. Metapopulations of some of the larger fauna have become more dominant on the landscape and as a result have increased the edge of their habitat.
C. Habitat fragmentation or habitat shrinkage has occurred, and thus the edge of the habitat has increased in relative proportion.
D. Habitat fragmentation or habitat shrinkage has occurred, and thus the edge of the habitat has decreased in relative proportion.
E. Populations of particular species have decreased and are on the edge of extinction.
C. Habitat fragmentation or habitat shrinkage has occurred, and thus the edge of the habitat has increased in relative proportion.
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The overall three-dimensional shape of a protein.
A) Polarity B) Compound C) Denaturation D) Monosaccharides E) Hydrogen bonds F) Element G) Triglycerides H) Amino acids I) Tertiary structure J) Active site
The extracellular matrix of an animal cell is composed of:
A. collagen. B. cadherin. C. cellulose. D. All of the above are correct.
A marine biologist visits your biology class and begins his talk entitled, "Life as a Trochophore." A friend seated next to you asks, "What is a trochophore?" You explain that a trochophore is
A. another name for the veliger stage in earthworm reproduction. B. a term used to describe a larval form of either the phylum Mollusca or Annelida. C. another name for the veliger stage in the oyster. D. similar to a lophophore, but only found in the phylum Annelida. E. a parasite in the intestines of a bivalve mollusk.
Communication and integration of responses between simultaneously occurring cell signaling
pathways is called ________.
a. mutualistic responding b. effector coordination c. cross-talk d. amplification e. signal transduction