Life On Earth Flashcards
What is an ecosystem
Ecosystem consists of all the living organisms living in a habitat
What is a community
All the plants and animals living in an area
What is population?
A population is all the organisms of one species living in an area
What is a habitat?
A habitat is the place where an organism lives
What is biodiversity
Biodiversity is the variety of species in an ecosystem
What is species
A group of organisms that can interbreed and produce fertile offspring
What is a niche
The role that an organism plays within a community
What is biotic factor
Biotic factors involve living things eg food availability, disease
What is abiotic factor
Abiotic factors are non living environmental factors eg light intensity, temperature
The effect on biodiversity
Different species of plants can tolerate different levels of light intensity
Effect on distribution of organisms
Less plants grow in shady areas, as there is less light
How’s my stages are in photosynthesis
Two
What is stage one in photosynthesis called
Light reaction
What is stage two in photosynthesis called ?
Carbon fixation
What are the limiting factors in photosynthesis
Carbon dioxide concentration
Light intensity
Temperature
