Abiotic/biotic factors
What is an abiotic factor?
An abiotic factor is a non-living part of an ecosystem that shapes its environment.
2 main types of reproductive isolation?
Pre-zygotic and post zygotic
What is an ecosystem?
A biological community of interacting organisms and their physical environment.
What is a human impact?
Human impact on the environment refers to changes to biophysical environments and to ecosystems, biodiversity, and natural resources caused directly or indirectly by humans.
Coral reefs are what
Coral reefs are as fragile as they are beautiful.
What is a biotic factor?
A biotic factor is a living organism that shapes its environment.
State an example of a type of adaptation
1.Structural Adaptations, 2.Physiological Adaptations or 3.Behavioural Adaptations
What is an ecosystem made of?
Ecosystems contain biotic or living, parts, as well as abiotic factors, or nonliving parts.
What are some examples of human impacts?
Overpopulation, pollution, deforestation, and burning fossil fuels.
About how many of Earth's species live in tropical rainforests?
About half.
What are some examples of biotic factors?
Aquatic plants, fish, amphibians, and algae.
Write an example of a behavioural adaptation.
Bears hibernate to escape cold, Desert animals are active at night during hot summer weather.
What are some examples of ecosystems ?
Coral reef, grasslands, forests, rainforest, desert, and wetlands.
What is the rate of human impacts on the environment?
75% of Earth's land mass has been altered by humans.
Ecosystems are...
A complex community of organisms and inanimate materials that interact to support the living things within the ecosystem
What are some examples of abiotic factors?
Temperature, light, and water.
State 2 examples of a prezygotic isolating mechanism
Definition of a species.
Species are a group of organisms that can actually or potentially interbreed in nature to produce fertile, viable offspring.
What is deforestation?
The action of clearing a wide area of trees.
What are the three most common ecosystems?
Marine, freshwater, and terrestrial.
Where can these factors be found?
These factors can be found anywhere in an ecosystem.
State an example of a post zygotic reproductive isolating mechanism
Hybrid infertility and/or hybrid inviability.
Why are ecosystems important?
Healthy ecosystems are vital for human health and survival, as they provide us with essential products and benefits.
What are fossil fuels?
A natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.
What is ecology?
Ecology is the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.