Grade 5 science worksheet on classifying ecosystem components, including definitions, a table to classify organisms, and questions about biotic and abiotic factors.

1. a. Producer
b. Consumer
c. Decomposer
d. Omnivore
e. Ecosystem
f. Biotic Component
g. Abiotic Component
h. Herbivore
i. Carnivore
j. Scavenger

2.
- Herbivores: Moose, Cottontails, Parakeets, Deer, Squirrels, Sea Lions, Rabbits, Llamas, Elk, Giraffes, Horses, Zebras
- Carnivores: Eagles, Owls, Snakes, Killer Whales, Dolphins, Tuna, Sharks, Wolves, Foxes, Polar Bears, Lions, Tigers, Hawks
- Omnivores: Humans, Raccoons, Bears, Crows, Pigs, Opossums, Rats, Skunks, Chimpanzees, Blue Jays, Robins, Vultures

3. The items in Question 2 that should be circled are: Humans, Raccoons, Bears, Crows, Pigs, Opossums, Rats, Skunks, Chimpanzees, Blue Jays, Robins, Vultures — because they are omnivores.

4. Carnivores, herbivores, omnivores, and scavengers all belong to the group of organisms called consumers.