Lamarck's idea of "use and disuse" proposed that
a. traits are passed down from parent to offspring.
b. the continents were slowly moving.
c. in animals, traits that are used often will grow and change shape.
d. the continents were moving quickly.

Which of the following is an example of competition a. the leaves of a tree prevent a small shrub from getting sunlight. three species of birds feed a different heights in the same tree. b. three species of birds feed at different heights in the same tree c. zebra and giraffe’s feed on different grassland plants d. cats living in two different homes eat the same brand of cat food.