WorksheetsUnderstanding the Food Chain
Total questions: 13
Worksheet time: 7mins
Herbivore role
only plants in the food chain
only animals in the food chain
both plants and animals in the food chain
decomposers in the food chain
omnivore
eats only plants
eats only meat
eats plants or meat
eats insects only
Decomposer function
breaks down dead organisms, returns nutrients to soil
produces energy through photosynthesis
consumes living plants and animals
filters water in ecosystems
What happens if the snappers all disappear?
Sharks increase in population due to more food.
Shrimp decrease in number due to lack of food.
Sharks decrease in population without food, shrimp increase without the predator.
Turtle grass becomes overpopulated without the shrimp.
Comparing food chain and food web
A food chain is a linear sequence of energy flow, while a food web is a complex network of interconnected food chains.
A food chain includes all animals in an ecosystem, while a food web only includes plants.
A food chain is a type of food web that includes only herbivores.
A food web is a simple representation of energy flow, while a food chain is more complex.
Definition of food chain
showing how energy moves from one living thing to another
a sequence of organisms each dependent on the next as a source of food
the process of photosynthesis in plants
the cycle of nutrients in an ecosystem
Example of a simple food chain
→ Grass → Grasshopper → Frog → Snake
→ Grasshopper → Frog → Snake
→ Frog → Snake → Eagle
→ Snake → Grasshopper → Frog
3 Rs to help environment
reduce ( waste )
reuse ( old clothes )
recycle ( paper only )
restore ( natural habitats )
Producer in a food chain
living things that make their own food, plants
animals that eat plants
decomposers that break down dead matter
fungi that absorb nutrients from their surroundings
Identifying primary consumer
animal that eats the producer
animal that produces its own food
animal that eats other consumers
animal that decomposes organic matter
Carnivore role
only animals in the food chain
producers in the ecosystem
decomposers of organic matter
herbivores in the food chain
Consumer in a food chain
Living things that produce their own energy
Living things that eat other living things for energy
Non-living things that provide energy
Living things that decompose organic matter
Energy flow direction
sun to producer to primary consumer and top consumer ( apex predator)
producer to primary consumer to secondary consumer
top consumer to primary consumer to producer
primary consumer to sun to producer
