©McGraw-Hill EducationBased on the phylogeny shown, which species is not a tree but has seeds?
A. pine
B. Psaronius
C. rose
D. ginkgo
E. fern
F. oak
Answer: C
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Any trait that is controlled by genes can be acted on by natural selection
Indicate whether the statement is true or false
The diagram shows the rate of diffusion into a cell using carrier proteins. 
McGraw-Hill EducationThe rate of diffusion will increase as
A. pH rises. B. the number of glucose molecules decreases. C. temperature decreases. D. the number of glucose molecules increases.
Genetic engineering of animals is done for the following benefits except
A. the production of human gene products for medical therapies. B. the preservation of endangered animal species. C. faster growth of food animals. D. research into genes that cause genetic disorders in humans. E. disease resistance in food animals.
The rigid chitinous exoskeleton of an arthropod has all of the following functions except it
A. prevents injury to the animal. B. impedes water loss. C. provides a place for muscle attachment. D. maintains a uniform size for all individuals of that species. E. protects the animal from predators.