Ecology
Why is a food web better than a food chain?
It provides more pathways for energy to flow
What is another name for egg or sperm cells?
Gametes
Define homeostasis? Give an example.
Balance inside of the body.
When you get hot, you sweat to cool down.
What causes global warming?
pollution
What is the process called where plants make their own food?
Photosynthesis
What do decomposers do? Give an example of a decomposer
They break down dead things and recycle them back into the environment.
Ex: Worm, mushroom, fungus
How many chromosomes does an egg or sperm cell have?
23
What causes muscle fatigue during exercise?
The buildup of waste in the muscles.
Name 2 things that we can do to stop global warming
stop hunting, stop burning fossil fuels, control electricity use, stop cutting down trees
What is the job of mitochondria?
*BONUS*What is the name of the process that makes this?
To make energy (ATP)
CELLULAR RESPIRATION
Name something that would cause a decrease in biodiversity
Hunting, destroying habitats, pollution, introducing an invasive species etc
What is the name of the organ that provides nutrients and oxygen to the fetus?
Placenta
To produce insulin
What is a tradeoff in using pesticides on crops?
It keeps bugs away but could be harmful to humans
True or False: The environment can affect gene expression
True
What happens to energy as we go higher in the food chain/energy pyramid? WHY?
It is lost due to heat.
What is the name of the place where the fetus grows and develops?
Uterus
What are the contents of a vaccine?
A dead or weakened version of the virus.
What is the name of Darwins theory of evolution?
natural Selection
Name a characteristic of a stable ecosystem
MANY LIVING THINGS
A LOT OF BIODIVERSITY
Why is a person with HIV more susceptible to other illnesses?
HIV weakens the immune system directly.