| A | B |
|---|
| What refers to the series of changes that produces a more complex organism? | development |
| What are characteristics of all living things? | Use energy, complex and organized, growth, respond to stimuli, have the capacity to evolve |
| What are the four basic necessities of life? | air, water, food, and living space |
| New plants can be created from stem cutting of the same parent plant. Of what it this an example? | asexual reproduction |
| Humans typically maintain a body temperature of 37°C and a fairly constant level of sugar in the blood. What process are these examples of? | homeostasis |
| The following are know as what? A plant growing toward light; plant’s roots growing down | tropism |
| What is homeostasis? | an organism’s ability to maintain stable internal conditions |
| When a duck dives under water its inner eyelids automatically raise to cover the duck’s eyes. In this case, what does water act as? | stimulus |
| What is a change in an organism’s environment that affects the organism’s activity called? | stimulus |
| Fish that live in the ice cold waters off Antarctica make a natural antifreeze that keeps them from freezing. This is the fish’s way of maintaining a stable environment. This is an example of what? | homeostasis |
| What keeps the cytoplasm inside and allows nutrients in and waste products out? | cell membrane |
| Food molecules are broken down to release energy by which organelle? | mitochondria |
| What is the large membrane-covered organelle that stores water and other liquids in plants? | vacuole |
