SCIENCE HOMEWORK FOR 8TH A / B

SCIENCE EXERCISES FOR 8 A/B LCDA. DIANA MONTERO

Typical Desert Food Chains

Mountain Lion Mule Deer Plant (forbs)

Coyote Quail Plant (shrub seeds)

Snakes Lizards Insects Plant (wildflower/grass seeds)

Hawk Snakes Rats Plant (seeds)

Typical Desert Food Pyramid

4th Trophic Level:
Tertiary Consumers
Carnivores
These are high level consumers, carnivores that will eat other carnivores.


3rd Trophic Level:
Secondary Consumers
Small Carnivores
The predators are the secondary consumers.

snakes, insect-eating lizards, and tarantualas.. In the harsher desert environments, they are the top predators.

2nd Trophic Level:
Primary Consumers
Herbivores
These animals are usually small and eat little. Many are insects, or reptiles Including:
Ants and other insects, rats and mice, some reptiles the largest of which are the tortoise and chuckwalla.

1st Trophic Level:
Primary Producers
Plants
These are plants that make food through photosynthesis. Limited by the availability of water,.
Including:
Trees, shrubs, cactus, wildflowers, grasses

Secondary Consumers - Small Predators
Tertiary Consumers - Large Predators