Ecosystems Flashcards
(18 cards)
What is a biome
A very large scale ecosystem
What is a consume
A creature that eats other living things
What is a producer
Plants that produce their own energy
What is a decomposer
Bacteria and fungi that feed by making things rot
What is nutrient
A plant food chemical
Describe the nutrients cycle
Biomass’s are decomposed and broken down into nutrients.
Plants abode nutrients through roots.
This helps plants grow.
Cycle repeats.
Describe photosynthesis
Plants take in sun water nutrients CO2.
Plants produce oxygen and glucose.
What is a food chain
A diagram that shows what eats what in an ecosystem.
The arrows show the transfer of energy.
Where are desserts
23.5 degrees north and south of equator
Describe desserts location
Gets less the 250ml of rainfall yearly.
Found along the tropics.
Where are tropical rainforests found
Along the equator
What is the hottest desert
Sahara
Why do trees lose leaves
Due to lack of sunlight to conserve energy
How have plants adapted to deserts- cactus
Sharp spines- protection, lose less water.
Pleated trunks- help them expand to share more water.
Can store 8000tons of water.
Have long shallow roots to soak up as much water as possible after it rains.
How have animals adapted to the desert-camels
Long eyelashes keep sand out of eyes.
Tough leathery skin all over their body to avoid burning.
The humps store fat to serve as energy.
Have strong pads on their feet so they don’t injure it on the rough grounds.
Define ecosystem
An independent community of biotic and abiotic parts of the environment, and the relationship that exists between them.
What is the UK
A deciduous forest
Why are nights cold in rainforests
The lack of cloud coverage