Ecology Basics
What is ecology?
The study of how living things interact with each other and their environment
What is the smallest level of ecological organization?
Organism
What does a producer do?
Makes its own food using sunlight
Which biome is hot and dry with very little rain?
Desert
What is an example of an organ?
What is a habitat?
The place where an organism lives
What do you call a group of the same species living in the same area?
Population
What do you call an animal that eats only plants?
Herbivore
Which biome has rich soil, four seasons, and trees like oak and maple?
Deciduous forest
Name one organ in the digestive system.
Stomach
Name one abiotic and one biotic factor
Abiotic: sunlight; Biotic: animals
What comes after a community in the levels of organization?
Ecosystem
What is a decomposer?
An organism that breaks down dead materials into simpler substances
Which biome has the greatest variety of plants and animals?
Rainforest
What is the job of the circulatory system?
To move blood, oxygen, and nutrients around the body
What is a keystone species?
A species that has a large effect on its ecosystem
Put these in order from smallest to largest: population, biosphere, biome, community, ecosystem
Population → Community → Ecosystem → Biome → Biosphere
Name all four main trophic levels in a food chain.
Producer, primary consumer, secondary consumer, tertiary consumer
Which biome has tall grasses, few trees, and animals like zebras, elephants, or bison?
Grassland
What are organs made of?
Two or more types of tissue
What is the difference between a niche and a habitat?
A habitat is where an organism lives; a niche is its role or job in the environment
What is the biosphere?
All living things and the parts of Earth where life exists
How much energy is transferred from one trophic level to the next in a food pyramid?
10%
Which biome has cold winters and coniferous trees like pine and fir?
Taiga
How many organ systems are there in the human body?
Twelve