different places of habitat for species around the world
What is a biome?
100
can help solve the energy and climate crisis by investing in renewable energy sources
What is clean energy?
100
the cycle of processes by which water circulates between the earth's oceans, atmosphere, and land
What is the water cycle?
100
the basic unit of life
What are cells?
100
solid and mostly made up of iron known as the heart of the earth,
What is the inner core?
200
climate, elevation, many habitats
What is the difference between biomes?
200
dangerous chemicals in our homes, the air we breathe, and food we eat
What is pollution?
200
creates runoff that travels over the ground surface and helps to fill lakes and rivers.
What is precipitation?
200
produce offspring which resembles parents, asexual and sexual reproduction
What are ways living things reproduce?
200
consists of very hard rigid rock, it is the layer between the crust and outer core
What is the mantle?
300
one of the most fragile biomes and long cold and dry winters with simple food chains
What is a tundra?
300
overfishing, pollution, increased ocean activities, and habitat destruction
What is the cause of ocean crisis?
300
the downward movement through openings in the soil to replenish aquifers under the ground.
What is percolation?
300
increase size and shape and inheritance of traits carried on DNA
What is growth and heredity?
300
deepest and hottest layer of the Earth, creates Earth's magnetic field
What is Earth's Core?
400
where each biome is found, how each varies geographically, its different plants and animals
What is the way to understand the nature of biomes?
400
primary source of energy that harms the environment and creates global warming
What are fossil fuels?
400
Heat from the Sun causes water on Earth to evaporate (turn from liquid into gas) and rise into the sky. This water vapor collects in the sky in the form of clouds
What is evaporation?
400
living things maintain a stable internal environment
What is homeostasis?
400
an extremely thin layer composed of sedimentary, igneous, and metamorphic rocks