The occupation of space by a sessile organism, such as a barnacle, that precludes the establishment or occupation by another species is referred to as
A) preemptive competition.
B) consumption competition.
C) overgrowth competition.
D) encounter competition.
A
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Which of the following is not a function of the endocrine system?
A. All the answer options are functions of the endocrine system. B. The endocrine system helps an animal respond to the environment. C. The endocrine system helps synchronize and coordinate body processes. D. The endocrine system regulates growth. E. The endocrine system regulates development.
A positive test was observed on a serum sample that resulted in the formation of a fine precipi-tate on a reaction card. The most likely organism serologically identified is:
a. Chlamydia trachomatis. b. Bacillus anthracis. c. Treponema pallidum. d. Toxoplasma gondii.
The markers that identify "self" are actually
A) genes. B) proteins. C) lipids. D) small surface bumps. E) triplet codons
The vertebrae of today’s cod fish is a _____ with the prehistoric bony fish who also possessed vertebrae
a. homoplastic character b. monophyletic character c. shared derived character d. shared ancestral character e. shared homologous character