create me flashcards for aqa combined science ecology
ecology (26 cards)
What is ecology?
The study of interactions between organisms and their environment.
True or False: Ecosystems consist only of living organisms.
False
Fill in the blank: The _____ is a group of organisms of the same species living in the same area.
population
What term describes the role of an organism in its environment?
niche
Multiple Choice: Which of the following is a biotic factor in an ecosystem? A) Water B) Temperature C) Plants D) Soil
C) Plants
What is a food chain?
A linear sequence of organisms through which nutrients and energy pass.
True or False: Producers are at the top of the food chain.
False
What is the primary source of energy for most ecosystems?
The sun
Fill in the blank: An organism that eats both plants and animals is called an _____ consumer.
omnivorous
Multiple Choice: Which of the following is an example of a decomposer? A) Hawk B) Fungi C) Grass D) Rabbit
B) Fungi
What is biodiversity?
The variety of life in the world or in a particular habitat or ecosystem.
True or False: Habitat destruction can lead to a decrease in biodiversity.
True
What is a trophic level?
Each level in a food chain or food web.
Fill in the blank: The maximum number of individuals that an environment can support is known as _____ capacity.
carrying
Multiple Choice: Which of the following is a primary producer? A) Cow B) Oak tree C) Eagle D) Worm
B) Oak tree
What is an ecosystem?
A community of living organisms and their interactions with their environment.
True or False: Invasive species can disrupt local ecosystems.
True
What is the difference between a food chain and a food web?
A food chain is a linear sequence while a food web consists of interconnected food chains.
Fill in the blank: _____ succession occurs on previously uninhabited land.
Primary
Multiple Choice: Which cycle involves the movement of water through the environment? A) Nitrogen cycle B) Water cycle C) Carbon cycle D) Phosphorus cycle
B) Water cycle
What is a keystone species?
A species that has a disproportionately large effect on its environment relative to its abundance.
True or False: All organisms in an ecosystem are interdependent.
True
What is the role of producers in an ecosystem?
To convert solar energy into chemical energy through photosynthesis.
Fill in the blank: The _____ cycle is essential for the growth of plants.
nitrogen
