The thermocline is broken down by temperature changes that allow upwelling to occur.

Answer the following statement true (T) or false (F)


True

Biology & Microbiology

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The process by which genetic material is exchanged between different species, such as an endosymbiont and its host, is:

A. vertical gene transfer B. horizontal gene transfer C. binary fission D. mutualism E. parasitism

Biology & Microbiology

The two most important regulatory systems for the maintenance of homeostasis are ____

a. circulatory and nervous systems b. endocrine and circulatory systems c. lymphatic and circulatory systems d. nervous and endocrine systems e. lymphatic and circulatory systems

Biology & Microbiology

Which of the following is least likely to be preserved as a fossil?

A. an organ like an eye or lung B. a bone or shell C. an organism that died on land D. a complete large organism E. a leaf or stem

Biology & Microbiology

Select the best choice for statements 135–138 in reference to the

four hominids listed below. a. Homo habilis b. Homo erectus c. Homo sapiens d. Homo neandertalensis M 135. The Neandertals belong to this species. M 136. Our own species evolved from this species. M 137. This species was the first known to use fire. D 138. This species was the first Homo species definitely known to use tools.

Biology & Microbiology