Vocabulary
Cycles
Changes in ecosystems
Biomes
Water ecosystems
100

Q: What is the process where water turns into vapor and rises into the air?

A: Evaporation

100

 What is condensation?


Water vapor cools and changes back into liquid droplets, forming clouds.

100

 What does it mean if a species is extinct?


The species no longer exists anywhere on Earth.

100

 What kind of biome is characterized by very little rainfall and extreme temperatures?


Desert.

100

 What are plankton?


Tiny organisms that float in the water and form the base of many aquatic food chains.

200

What term describes the movement of water that flows over the ground into rivers or lakes?

Runoff.

200

 What is the nitrogen cycle?


The movement of nitrogen through the environment, including the air, soil, and living organisms.

200

 What is primary succession?


The process of ecosystem development in an area where no previous ecosystem existed, starting with pioneer species.

200

 Which biome is known for its cold, treeless environment with permafrost?


Tundra.

200

 What are nekton?


Aquatic animals that can swim, like fish and whales.

300
  • Question: What is the process where carbon is exchanged between the atmosphere, plants, animals, and the Earth?

  • Answer: Carbon Cycle.
300

 What happens during precipitation?


Water falls from clouds as rain, snow, sleet, or hail.

300

 What is a climax community?


A stable community that has reached the final stage of ecological succession.

300

 What type of forest biome is found along coastlines with cooler, wetter conditions?


Temperate Rainforest.

300

 What organisms live on the bottom of water bodies?


Benthos.

400

 What is groundwater?


Water stored beneath the Earth’s surface.

400

What are 2 non-renewable resources??

There are four major types of nonrenewable resources: oil, natural gas, coal, and nuclear energy.

400

 What is secondary succession?


The process of ecosystem recovery in areas where an ecosystem has been disturbed but soil remains.

400

 Which biome has four distinct seasons and trees that shed their leaves in the fall?


Deciduous Forest.

400

 What is the intertidal zone?


The area where the ocean meets the land, between high and low tide.

500

 What is compost, and how is it used in ecosystems?


Compost is organic material that has decomposed and can be used to enrich soil.

500

 How does the carbon cycle affect living organisms?


Plants absorb carbon dioxide during photosynthesis, and animals release it during respiration, cycling carbon through the ecosystem.

500

 What is the difference between endangered and threatened species?


Endangered species are at immediate risk of extinction, while threatened species are likely to become endangered if not protected.

500

 What biome is dominated by grasses and has few trees, with rich soil for plant growth?


Grassland.

500

 What is an estuary, and why is it important?


An estuary is a water ecosystem where freshwater from rivers meets and mixes with saltwater from the ocean, 

It creates rich habitats for many species.
It filters water entering the ocean