Question

1. which of the following is an example of adaptation?

a) a zebra eating grass

b) a cactus having thick stems to store water

c) birds flying south in winter

d) fish swimming in water

1. what is artificial selection?

Explanation:

Adaptation is a trait that helps an organism survive in its environment. A cactus’ thick stems (a structural adaptation) store water, suited for arid habitats. Eating grass (a), migrating (c), or swimming (d) are behaviors/abilities, not structural adaptations.

Answer:

b) A cactus having thick stems to store water