Biodiversity Flashcards
(28 cards)
The place where an organism lives is its…
habitat
All of the organisms in one species in a habitat is…
population
All the living organisms in a habitat are known as a…
community
What do we call a group of organisms that can interbreed to produce fertile offspring?
A species
The variety of living things in an ecosystem is known as…
biodiversity
What makes up an ecosystem?
All of the living things and their environment.
What is a predator?
Animals that kill and eat other animals for it’s food.
What do we call animals that are hunted by a predator?
prey
What is the other name for a green plant (because it can make its own food)?
a producer
What do we call animals that obtain food by feeding on other animals?
a consumer
What is the term for ‘the role an organism plays in its community?’
niche
What do arrows in a food chain represent?
The direction of energy flow.
Why do food chains always start with green plants?
Green plants are producers meaning that they can make their own energy which is then passed through a food chain.
Name 3 ways energy can be lost from a food chain?
heat, movement, undigested material
What diagram shows a number of food chains linked in an ecosystem?
a food web
What does a pyramid of numbers show?
How many organisms are at each stage of a food chain.
What does a pyramid of energy show?
How much energy is available at each stage of a food chain.
What occurs in an ecosystem when resources are in short supply?
competition
Name the type of competition that occurs amongst individuals of a different species?
interspecific competition
Name the type of competition that occurs amongst individuals of the same species?
intraspecific competition
Name 3 abiotic factors
temperature, light intensity and moisture levels
Name 3 biotic factors
predation, competition and disease
How can you minimise error when using a moisture meter?
check that the moisture meter is dry.
Name the equipment used to sample plants.
a quadrat
