Bell Work

1. Bell Work Week 3

2. Correct Heading of Bellwork Name Date Week 3 Bell Work Period Monday Tuesday Wednesday

3. Bell workWeek 3Monday A polar bear hunts a seal. After the polar bear is done feeding, an Arctic fox consumes the remaining meat. Which describes the role of the Arctic fox in this situation? • scavenger • predator • producer • decomposer

4. Bell workWeek 3Tuesday How do the plants and animals shown in the picture to the right differ? • As producers, animals create their own energy-rich molecules. • As consumers, animals create their own energy-rich molecules. • As consumers, plants create their own energy-rich molecules. • As producers, plants create their own energy-rich molecules.

5. Bell workWeek 3 Wednesday Which correctly describes a decomposer and what it consumes? • frog: eats a variety of insects • hummingbird: collects energy-rich nectar • bacteria: consume dead organisms • earthworm: collects energy from the Sun

6. Bell workWeek 3Thursday Which is a biotic factor of an alpine forest? • Elk • Rainfall • Soil • Mountains

7. Bell workWeek 3Friday In a biotic response experiment, two plants with the same mass are placed in identical pots. Both plants are given the same amount of water, soil, and sunlight. After one week, the test plant is given one tablespoon of liquid fertilizer. Two weeks later, the data shows the test plant has the greater mass. What is the independent variable in this biotic response experiment? • amount of sunlight • soil temperature • liquid fertilizer • size of the pot