Which of the following is NOT evidence that whales and dolphins changed over time and once lived on land? 1. They have lungs

2. They have arm bones that look like those bones of land-dwelling organisms.

3. They have small hairs.

4. They live in the water.

Sarah is sitting at the top of the slide in the schools playground. which will increase sarah’s kinetic energy a- an additional child is added to the top of the slide. b- sarah is pushed and moves down the slide. c- sarah climbs down the ladder and off the slide. d- the ladder is moved to the other side of the yard.

Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings

What is the process of a new plant growing from its seed into a seedling? primary growth fertilization pollination germination