Cells are too small to see without microscopes. Explain why models might be used instead of words to communicate new ideas. ... Models also communicate ideas that might be difficult to describe otherwise.

Refer to the family pedigree shown here. in generation i, one parent is affected by the gene mutation and one parent isn't. in generation ii, all three children are affected by the gene mutation. what can you conclude about this gene mutation? a. all children born in future generations will be affected by this disorder. b. this gene mutation is a dominant disorder. c. this gene mutation is a recessive disorder. d. the generation i mother is a carrier of this gene mutation.

Which describes the habitat of a frog?

Which environmental change would most likely result in bullfrog offspring that are able to store more water than bullfrogs in previous generations?