create me flashcards for aqa combined science ecology
ecology
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
Multiple Choice: Which of the following is an abiotic factor? A) Bacteria B) Temperature C) Trees D) Insects
B) Temperature
What is the significance of the carbon cycle?
It regulates the flow of carbon in the ecosystem, affecting climate and life.