The three vital functions
What are the three vital functions?
Nutrition, interaction and reproduction.
What is an ecosystem?
An ecosystem is all of the living and non-living things interacting in an area.
True or False? All living things have a life cycle.
True. Living things are born, they reproduce and they die.
List two different ways that water moves in the water cycle.
Evaporation, condensation, precipitation and transportation.
What does it mean for a species to be extinct?
What do living things get from nutrients?
Energy
What are the two types of ecosystems?
Ecosystems can be aquatic or terrestrial.
How is a new plant produced?
Seeds germinate and a new plant is produced.
True. Plants need water to make food and animals need water to perform their vital functions.
What are the two types or causes of an extinction of species?
Natural or human causes.
What is the difference between oviparous and viviparous animals?
Oviparous animals are born from eggs and viviparous animals are born from their mother's womb.
List 3 examples of non-living things in an ecosystem.
Air, water, temperature, weather, soil, rocks, sun.
Describe a tomato plants life cycle.
A tomato plant starts out as a seed. The plant grows and develops flowers. Then the flower produces fruit. The fruits have seeds to help more tomato plants grow.
What are 2 examples of precipitation?
Rain or snow.
What is photosynthesis?
Plants making their own food. They absorb carbon dioxide and release oxygen into the air.
True or False?
Animals make their own food.
False. Animals eat other living things.
What are the two types of interaction?
Interaction with individuals of the same species and interaction with individuals of a different species.
What is metamorphosis?
When animals change and transform to something new.
True or False. Water never moves.
False. Water is constantly moving.
Is reusing and recycling materials a positive or negative human activity?
Positive because it reduces the waste on our planet.
A plant moving toward the direction of the sun is an example of which vital function?
Interaction
What is the difference between freshwater and marine ecosystems?
Marine water ecosystems have salt water while freshwater ecosystems do not.
Describe a butterfly's life cycle.
A butterfly starts out as an egg. Then the egg produces a caterpillar. Next, the caterpillar transforms into a chrysalis in their cocoon. Finally, a butterfly comes out of the cocoon.
How does water affect an ecosystem?
Since animals and plants both need water to live, if there is a lot of water there will be more plants and animals. If there is not a lot of water then there will be less plants and animals.
Why are plants important?
Plants absorb carbon dioxide, they produce food for other living things, and they release oxygen in the air.