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Chapter 5: Ecosystems

Anatomy and Physiology9 CardsCreated 3 months ago

This deck covers key concepts about ecosystems, including their components, sizes, and the roles of different organisms within them.

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What is an eco system?

Made up of plants, animals and their surrounding physical environment including soil, rainwater and sunlight. Interrelationships link biotic and abiotic parts of the ecosystem - eg animals eating the plants (physical links) or mild acids in rainwater speeding up the decay of leaves (chemical links).
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Key Terms

Term
Definition
What is an eco system?
Made up of plants, animals and their surrounding physical environment including soil, rainwater and sunlight. Interrelationships link biotic and abiot...
What size is an Eco system?
Any size ayy. Local - also called a habitat, Regional, Global, Earth.
What are primary producers?
Plants that use photosynthesis and take nutrients from the soil using their roots.
What are primary consumers?
Herbivores - cows or rabbits.
What are secondary consumers?
Carnivores- they feed on herbivores eg fox.
What are tertiary consumers?
Top carnivore - eat herbivores and carnivores.
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Chapter 5: Ecosystems
TermDefinition
What is an eco system?
Made up of plants, animals and their surrounding physical environment including soil, rainwater and sunlight. Interrelationships link biotic and abiotic parts of the ecosystem - eg animals eating the plants (physical links) or mild acids in rainwater speeding up the decay of leaves (chemical links).
What size is an Eco system?
Any size ayy. Local - also called a habitat, Regional, Global, Earth.
What are primary producers?
Plants that use photosynthesis and take nutrients from the soil using their roots.
What are primary consumers?
Herbivores - cows or rabbits.
What are secondary consumers?
Carnivores- they feed on herbivores eg fox.
What are tertiary consumers?
Top carnivore - eat herbivores and carnivores.
How are interrelationships shown between feeding groups?
In a food chain - shows the weight of biomass getting smaller at each level. Have trophic levels - producers, primary consumers ….
What are decomposers?
Organisms that over time break down dead organic matter. Include; scavengers such as insects that eat dead wood, detritivores such as bacteria. They help return nutrients to the soil by an organic substance called humus.
What’s a nutrient cycle?
Shows the energy transfers between litter, biomass and soil.