Classification
What is classification?
The process of sorting organisms into groups based on similarities.
What are multicellular organisms?
Organisms made up of many cells.
What is a habitat?
The place where an organism live
Arrows in a food chain show this.
the flow of energy
Mammals have these two key characteristics.
hair/fur and lungs
What is a dichotomous key?
A tool that uses a series of yes/no questions to identify organisms
What is MRS GREN?
seven life processes acronym.
The main source of energy for almost all ecosystems.
the Sun
Organisms that make their own food using sunlight.
producers
A parrot belongs to this vertebrate class.
birds
Why do scientists use structures and functions to classify animals?
Scientists use these structures and function because they are more reliable than colour or size when classifying organisms
The "R" in MRS GREN stands for this process where organisms release energy from food.
respiration
These are the living components of an ecosystem.
biotic factors
Another name for a primary consumer.
herbivore
A snake belongs to this vertebrate class.
reptiles
What are vertebrates?
Animals with backbones
This life process allows living things to produce offspring.
reproduction
What type of organism eats only plants?
Herbivores
An organism that eats primary consumers.
secondary consumer
A spider belongs to this invertebrate group.
arthropods
What group do arthropods belong to?
Invertebrates
Using MRS GREN why is a rock not classified as alive?
A rock cannot move, reproduce, excrete, take in nutrients, respire and does not have sensitivity. Can expand when heated so it can grow.
These are the non-living factors in an ecosystem such as water, temperature, and sunlight.
abiotic factors
The organism at the top of a food chain with no natural predators.
apex predator
A lobster and a spider both belong to this animal phylum.
arthropods