Food Webs
This type of organism usually starts off a food web
What are producers?
Nonliving parts of an ecosystem
What is abiotic?
The size of a species' _______ can change depending on access to limiting factors
population
13 tigers are able to live successfully in a forest ecosystem. What is the carrying capacity for the tigers?
13
These organisms can produce/make their own food using energy from the sun
Producers
Arrows in a food web always point to
The consumer/organism doing the eating
This abiotic factor provides hydration for living things and covers about 70% of the Earth
What is water?
Limiting factors are things that a species needs. Another word for that is...
Resources
Carrying capacity is a term used to describe this.
The maximum number of individuals in a species that the habitat can support
Consumers who only eat other animals
Carnivores
Arrows in a food web represent
The flow or transfer of energy
This biotic factor can be found in oceans, providing a habitat for many other species. They are severely threatened due to climate change
What are corals/coral reefs?
A wolf population decreases in size. What are some possible limiting factors that caused this?
Lack of food, lack of shelter, lack of water
A food resource for kangaroos dies from a disease. What would happen to the kangaroo carrying capacity?
It would decrease
Predators can be these 2 types of consumers: ______ or ______, but never ________.
carnivores or omnivores, but never herbivores
(see image) According to the food web, who is an omnivore?
unicorn fish
This abiotic factor describes the amount of acid in a liquid
What is pH?
(See image) State one possible reason the Aspen tree population declined
Too many beavers, humans cutting down trees, disease
(see image). What is the carrying capacity for fur seals in this habitat?
9-10
Rabbits eat clover flowers and foxes eat rabbits. One spring, hunters kill off all the foxes. What happens to the amount of clover?
The clover population decreases
penguin and elephant seal, krill and zooplankton, leopard seal and killer whale
This microscopic biotic factor can be found in soil, decomposing dead organisms and providing nutrients for plants
What is bacteria?
Carrying capacity
(see image) What is the carrying capacity for cladocerans?
250-290
Identify one biological process producers can use that consumers cannot
Photosynthesis