Tropisms
When a plant grows away from the stimulus.
Negative stimulus
This term describes all the non-living parts of an ecosystem, such as sunlight, temperature, and water.
What is abiotic?
Organisms that can make glucose during photosynthesis are called:
Producers
This biome covers most of Canada and Russia and is dominated by coniferous trees.
What is the taiga (or boreal forest)?
Anything that controls the growth or survival of a population.
Limiting factor
When a plant grows toward the stimulus.
Positive Tropism
Trees, animals, and bacteria are examples of these living parts of an ecosystem.
What are biotic components?
Organisms that cannot make their own energy are called:
Consumers
This forest biome experiences all four seasons and has deciduous trees that shed their leaves annually.
What is the temperate deciduous forest?
A diagram that shows the amount of energy that moves from one feeding level to another is a?
What is an energy pyramid?
A plant’s growth response to touch.
Thigmotropism
This abiotic factor is essential for photosynthesis in plants.
What is sunlight?
This term describes an animal that eats both plants and animals.
What is an omnivore?
All the organisms of a species that live in the same place at the same time make up a:
Population
When plants and animals die, they release ______ into the atmosphere.
Carbon dioxide
A plant’s growth response to gravity.
Gravitropism
This biotic component breaks down dead organisms and returns nutrients to the soil.
What is a decomposer?
Obtain energy by eating only plants.
Herbivores
Made up of populations living in an area at the same time.
Community
The many overlapping chains in an ecosystem make up a?
food web
A plant turns to face the direction of the sun.
Phototropism
This abiotic factor affects which types of organisms can survive in a desert versus a rainforest.
What is precipitation (or water availability)?
In a simple food chain, the hawk eats the snake, which eats the mouse. The mouse eats this.
What is grass or a plant?
Is a group of organisms that share most characteristics and can breed with one another.
Species
The maximum number of organisms that an ecosystem can successfully support.
Carrying capacity