| A | B |
| What percent of energy is used at each level of the food chain? | 10% |
| All the frogs that live in a pond form a __________________ in the pond ecosystem. | population |
| If you are eaten by other animals, you are considered to be a(an)________________? | prey |
| All living and nonliving things in an environment. | ecosystem |
| Why is the grass a producer? | It produces energy from the the sun and stores it. |
| When a bunny turns white during the winter season, we call this what type of camouflage? | protective coloration |
| What adaptation does a skunk use to escape from a predator? | It sprays a bad-smelling liquid. |
| Identify herbivores. | cow, squirrel, deer |
| The largest population that an ecosystem can maintain is called its _______________. | carrying capacity |
| All living things in an ecosystem? | community |
| A role an organism plays in its community. | niche |
| When both organisms benefit from their relationship, we call this _________________? | mutualism |
| Mark the limiting factors. | temperature, sunlight, water |
| If the top predator is taken out of the food chain, what happens to the ecosystem? | there are more consumers because they are not being hunted |
| Birds migrate south for the winter to avoid the extreme cold. What do we call this type of adaptation? | behavioral adaptation |
| What is the relationship of a parasite and its host? | the parasite benefits and the host is harmed |
| When a baby deer lays very still to avoid being noticed by a predator, we call this ______. | behavioral adaptation |
| Which of these items is a biotic factor in an ecosystem? | seeds |
| The cactus adapted to the hot, dry climate by ___________________. | growing thick waxy leaves and stems |
| An adaptation where an animal looks or acts like another animal. | mimicry |