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What is the difference between food webs and food chains?
Food chains are simple examples of connections in ecosystems, while food webs are lots of food chains combined meaning that they show different connections.
What do you call the last trophic level circled in the picture?
Quaternary consumers or Apex predators
What is the difference between habitat and ecosystem?
A habitat is a place where an animal or organism lives. An ecosystem is the interactions of living organisms.It’s a combination of lots of habitats.
…………is the death of all the members of a certain group of organisms
Extinction
Explain what biotic and abiotic factors are
Biotic factors are living components of the ecosystems such as fungi and protists while abiotic factors are the non-living parts of the ecosystems.
What will happen to the food chain/web if the population of the producer decreases?
Herbivores will decrease which will affect carnivorous organisms.
Sun->Grass->Grasshopper->Gecko->Owl. What organism is the herbivore in the food chain?
Grasshopper
What is DDT? How does it affect the environment?
DDT is an insecticide When we spray it, it moves with the air and goes to an organism’s shell and it causes harm for that organism which affects the environment
How do invasive species destroy the ecosystem?
They can spread diseases and compete with native species for resources. As a result, this will disrupt the food webs.
How do invasive species spread around the world?
It can spread through natural disasters, climate change, tourism and travel, pet trade and global trade.
The study of ecosystem is called……………
Ecology
Sun->Grass->Mice->Weasel->Owl->Lion. Which organism gets the most energy?
Grass
List 2 adaptions found in the Sonoran desert
The woodpeckers create a place for them to live inside trees and roots absorbs a large amount of water to be able to use it later.
Why do some animals like the kangaroo rats and bats rest in the shade and come out to feed at night?
Because the temperature during the day is high, but it’s low at night.
List three abiotic and biotic factors.
Biotic - animals, plants, and bacterias Abiotic - light, temperature, and soil.
List the three examples of ecosystems
Mangrove forests, sea ice in the arctic ocean, and rice paddy.
