The cytoskeleton gave rise to the nuclear envelope
a. true
b. false
Answer: b. false
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Sleeping sickness is transmitted by:
A. mosquitoes B. tsetse flies C. sand fleas D. ticks E. drinking contaminated water
Cargo ships that entered the Great Lakes through canals in the St. Lawrence River inadvertently introduced zebra mussels. This species is not native to the Great Lakes and reproduces at a very high rate. Zebra mussels are filter feeders and are very efficient at filtering out phytoplankton and zooplankton. How would their introduction impact the organisms on the Great Lakes?
A) Biodiversity would increase because of the introduction of another species to the ecosystem. B) The native organisms would not be impacted at all. C) Their impact would be negligent because the lakes are so big and do not have other organisms that feed on the plankton. D) The native organisms that depended on the same food source would decrease in population, affecting the rest of the organisms in the food web.
Vertebrae in the neck are classified as ________ vertebrae
Fill in the blank(s) with correct word
Homologous chromosomes pair during _________
Fill in the blank(s) with the appropriate word(s).