True or false: harmful mutations are always eliminated from the genome in one or a few generations because they decrease the survival and reproduction rates of the individuals that carry them

A. true
B. false


B

Biology & Microbiology

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Amniotes differ from amphibians by ____

a. their size b. possession of lungs c. internal fertilization d. laying of eggs e. being tetrapods

Biology & Microbiology

Compare and contrast aerobic and anaerobic pathways used by cells to extract energy from organic molecules. Include

the mechanism of ATP formation, the final electron acceptor, and the end products in your comparison. What will be an ideal response?

Biology & Microbiology

Imagine that you are performing a cross involving seed texture in garden pea plants. You cross true-breeding round and wrinkled parents to obtain F 1 offspring. Which of the following experimental results in terms of numbers of plants are closest to what you expect in the F 2 progeny?

a) 810 round seeds b) 405:395 round seeds:wrinkled seeds c) 610:190 round seeds:wrinkled seeds d) 810 wrinkled seeds

Biology & Microbiology

Birds, like mammals, can regulate their body temperatures within close limits. Therefore birds and mammals are called

A. endothermic. B. heterothermic. C. ectothermic. D. poikilothermic.

Biology & Microbiology