What is a habitat?
a place where an organism or a community of organisms live
Is water biotic or abiotic?
Water is abiotic. It is not living.
What is an aquatic ecosystem?
A water based ecosystem. Will also accept an example.
What happens to a fallen log that was once alive?
It will rot and eventually become soil.
What is one way to tell how old a tree is that we learned about in this unit?
You can count the rings.
What is an organism?
a single plant or animal. Therefore, you are an organism
Name something that is biotic.
Answers will vary... biotic means living.
What is over fishing?
When humans fish too much of one species, which causes the species to be underpopulated.
Why is a rotting log considered an ecosystem?
Many organisms live on it.
What does extinction mean?
A species is no longer living.
What is biodiversity?
The variety of living things in a given place.
Give an example of a food chain.
answers will vary
Corals looks like rocks but are actually _________
animals.
What is a "tree cookie"?
A section of logs where you can see all the rings.
What part of the finches did Darwin notice was slightly different?
Their beaks.
What is a terrestrial ecosystem?
A land based ecosystem. Will also accept an example.
What was "operation cat drop"?
Borneo brought in cats from outside the country to control their rat population.
Who coined the terms "evolution" and "natural selection"?
Charles Darwin
What would have happened to the white peppered moth if they were all white and had no genetic variation?
They may have died out during the industrial revolution.
Which country used DDT to kill off malaria infected mosquitos?
Borneo
What does "survival of the fittest" mean?
refers to the animals who are best able to survive in their environment. The white furred rabbits are the fittest bunnies for an environment that receives heavy snowfall.
What does adaptation mean?
When an species body changes to better fit their environment.
Which area of the earth has the most biodiversity?
The equator. Will also accept Amazon Rainforest.
Explain genetic variation
answers will vary
Why is it important that not all plants and animals are the same?
answers will vary.