Vocabulary
an animal that eats only plants
herbivore
What is the difference between an omnivore and a carnivore?
An omnivore eats plants and animals, while a carnivore eats only other animals (meat).
What three things is the mass of a new plant made mostly of?
oxygen
carbon
hydrogen
What happens to the unused food an animal eats?
It is stored in the body as fat tissue or expelled as waste.
plants use carbon dioxide and water from the air to make glucose
photosynthesis
Where does the main source of energy for the organisms in any ecosystem come from?
the sun and photosynthesis
How do plants bring in carbon dioxide from the air during photosynthesis?
they open their stomata and also exchange gases via transpiration
An animal with a fast metabolism needs to eat more/less frequently.
more
a substance that absorbs sunlight energy
chlorophyll
Put these organisms into a food chain in the correct order starting with the producer and ending with the tertiary consumer.
snake, mouse, eagle, plant
plant, mouse, snake, eagle
Name two things that happen during photosynthesis.
-plants convert the sun's energy into the energy of glucose
-chlorophyll absorbs the sun's energy
-plants release oxygen into the air
What is the difference between and endotherm and an ectotherm?
An endotherm is an animal that uses energy stored in its body to keep its body within a normal temperature range.
An ectotherm is an animal that depends on its environment to warm its body.
the collection of chemical processes that break down and build molecules in a living organism
metabolism
Give the correct order of trophic levels, with the level that has the least energy at the top (or last).
4. tertiary consumer
3. secondary consumer
2. primary consumer
1. producer
Name three services that plants provide.
-plants can be a source of medicine
-plants can be a source of beauty products
-plants help prevent soil erosion
Give two examples of an internal use of energy and two examples of an external use of energy.
Internal: lung functioning, heart beating, digestion, etc.
External: running, jumping, walking, etc.