A karyotype is a technique by which a researcher can see and count chromosomes

A. true
B. false


A

Biology & Microbiology

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Habitat fragmentation is harmful because no species are adapted to living along habitat edges

Indicate whether the statement is true or false

Biology & Microbiology

Most conifers have separate male and female reproductive parts on the same tree. This condition is referred to as:

a. deciduous. b. dioecious. c. monoecious. d. homosporous. e. heterosporous

Biology & Microbiology

Patients who alternate between mania and depression:

A) are referred to as bipolar. B) present with a flat affect. C) have multiple personalities. D) have a history of schizophrenia.

Biology & Microbiology

Approximately 65.5 million years ago the Earth experienced a permanent loss of major groups of organisms during an event called ________

a. speciation b. continental drift c. genetic equilibrium d. mass extinction e. directional selection

Biology & Microbiology