Living And Nonliving Interactions Question Preview (ID: 46934)


How To Living And Nonliving Things Interact In Ecosystems? TEACHERS: click here for quick copy question ID numbers.

1. Which of these describes one or more living organisms that depend on another living organisms to survive?
a) A. bacteria living in the mouth of a horse
b) B. ivy plants growing up a fence to obtain more sunlight
c) C. Mold living on a hard, rocky surface
d) D. An angelfish releasing carbon dioxide into pond water

2. Aquatic plants have adaptations that help them live in water. For example, the leaves are of a plant float on the water. The leaves help plants . . .
a) A. absorb sunlight
b) B. Stay anchored
c) C. avoid predators
d) D. Capture fish

3. Tropical climates have warm temperatures and abundant sunlight all year. What must be available for plants in these climate to make their own food throughout the year?
a) A. bacteria
b) B. Birds
c) C. shade
d) D. Water

4. The roots of the prickly pear cactus spread out in a wide underground network. How does this type of root system benefit a prickly pear cactus?
a) A. by producing fruit and storing water
b) B. by capturing sunlight and getting rid of waste materials
c) C. by absorbing water and supporting the plant in lose, sandy soil
d) D. by releasing nutrients into the sandy soil and taking in oxygen

5. Some beetles break down the remains of dead animals. Some mushrooms break down the remains of dead trees. How do these actions most benefit plants?
a) A. by returning nutrients to the soil
b) B. by releasing oxygen into the air
c) C. by making space for new animals
d) D. by decreasing the population of herbivores

6. In fall and winter many trees lose their leaves in response to cooler temperatures and-
a) A. a decrease in average wind speed
b) B. fewer hours of daylight
c) C. an increase in humidity
d) D. more direct sunlight

7. A container for a worm farm needs to have a lid, but the lid must be left partially open because the worms required which of the following in order to survive?
a) A. oxygen
b) B. sunlight
c) C. carbon dioxide
d) D. none of the above

8. Which of the following organisms obtain energy without depending on another organism?
a) A. Oak Tree
b) B. Cotton tail rabbit
c) C. Mountain lion
d) D. Grizzly Bear

9. Which of the following organisms most likely compete for the same food in their environment?
a) A. zebras and lions
b) B. elephants and tigers
c) C. Eagles and Ravens
d) D. Sharks and Bears

10. Which of the following observation shows living organisms interacting with another living organism?
a) A. fire ant digging a tunnel in sandy soil
b) B. a blue jay drinking water from a puddle
c) C. a bee collecting pollen from a tree
d) D. a hawk circling in the air

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