alpha
Where does all energy come from?
the moon
the earth
the sun
the wind
the sun
air, including water vapor, oxygen, nitrogen describes _________
biosphere atmosphere
hydrosphere geosphere
atmosphere
Name 2 of 3 systems that work together to bring nutrients and oxygen to all of our cells.
respiratory nervous
digestive skin
respiratory
digestive
Which organ is responsible for eliminating wastes from the blood
skin kidney
pancreas lungs
kidney
What do plants need for growth? {3}
water air
sunlight glucose
soil artificial fertilizers
water
sunlight
air
How does the sun's energy get to organisms?
solar panels food chains
through the air stored in rocks
food chains
What puts energy back into the soil for plants to absorb with water by consuming dead or decaying matter?
decomposers biocatalysts
enzymes inhibitors
decomposers
water and ice, including rivers, glaciers, oceans, groundwater describes ________
biosphere hydrosphere
geosphere atmosphere
hydrosphere
Where is available fresh water?
underground aquifers oceans and seas
atmosphere as vapor frozen in glaciers
frozen in glaciers
living things, including humans, and plants describes _______
biosphere hydrosphere
geosphere atmosphere
biosphere
How does non-native species affect an ecosystem?
compete for food and space with other organisms
help native species thrive by providing additional resources
have no impact on the ecosystem and coexist peacefully
create new habitats for native species to flourish
compete for food and space with other organisms
solid and molten rock, soil, and sediments describes ________
biosphere hydrosphere
geosphere atmosphere
geosphere
How do plants use the sun's energy?
using sunlight to generate heat for growth
relying solely on water and minerals from the ground for energy
absorbing nutrients directly from the soil without sunlight
a chemical process (photosynthesis) to make sugar
a chemical process (photosynthesis) to make sugar
How can Earth's systems interact?
wind and clouds determine weather, climate; climate determines life
climate has no effect on living organisms or ecosystems
earth's systems operate independently without any interaction
only geological processes affect climate and weather
wind and clouds determine weather, climate; climate determines life
How can water change forms?
Water vapor cannot condense back into liquid
Ice can only melt into water, not vapor
Water can only exist in liquid form
Liquid can change to gas or solid
Liquid can change to gas or solid
How can human activities affect Earth systems?
urban development improves ecosystems
industry can pollute plants, soil, water and air
industrial activities only benefit the environment
human activities have no effect on natural systems
industry can pollute plants, soil, water and air
Why is the sun so much brighter than other stars?
it is the largest star in the universe
it is closer to Earth than other much larger stars
it emits more energy than all other stars
its brightness is due to its chemical composition
it is closer to Earth than other much larger stars
How is the hydrosphere distributed on Earth?
most of earth's water is found in glaciers / ice caps
all water on earth is fresh and drinkable
97% water is salty, 3% is fresh (drinkable)
the majority of earth's water is in the atmosphere
97% water is salty, 3% is fresh (drinkable)
Describe the geosphere.
only the water bodies and their ecosystems
solid and molten rock, soil, and sediments
the atmosphere and its gaseous components
living organisms and their habitats
solid and molten rock, soil, and sediments
How do shadows change?
longer in the morning, shorter in mid-day, and longer in the evening
constant in length throughout the day
only change based on the season, not the time of day
shorter in the morning and evening, longer at noon
longer in the morning, shorter in mid-day, and longer in the evening
How can we use science to protect the environment?
prevent polluted run-off into water ways
ignore pollution and let nature take its course
focus solely on urban development
increase industrial waste to boost the economy
prevent polluted run-off into water ways
An ecosystem's ability to endure is called _______
carrying capacity
photosynthesis
sustainability
food chain
sustainability
Plants capture food energy from the sun through __
carrying capacity
photosynthesis
sustainability
food chain
photosynthesis
The amount of life that the environment supports....
carrying capacity
photosynthesis
sustainability
food chain
carrying capacity
Plants are called _____ for producing their own food
energy pyramid
producer
consumer
herbivore
producer