Fall Final Review

The study or organisms and their interactions within their environment is

Situation where allele frequencies in a population stay the same...

The earth's biomes are distinguished from each other by...

Safety in a lab involves

The process where organisms keep things in their body within certain limits is

A positive feedback loop is where

What is the independent variable in an experiment?

Structures found in animals that were in ancestors but no longer have a function are called

Evolution that produces similar characteristics in distant relatives

The following picture represents what kind of selection

Experiment: How much sun makes plants grow best. Dependent variable would be what?

Which is the smallest system

Scientist(s) said earth changed over time and was old- Darwin used this info for his theory

In order to be alive, an organism must

The wing of a bee and the wing of a bird are examples of ______ structures

Which organism is most closely related to a human...

Songbirds look alike but don't attract the same females with their different song.

A species is 2 or more organisms that...

A negative feedback loop is where

If 2 closely related species come in contact, they don't mate due to different breeding times

An increase in sweat during exercise is an example of

Scientist said resources are limited so populations will compete and die

Living things in an ecosystem are

An organisms fitness is....

A frog's foot and a horse's leg share similar bones. This is an example of ___ structures.

Which is an example of a constant

If a population isn't undergoing change through evolution, it is

How does natural selection lead to evolution

What is a control in an experiment

The picture represents what kind of selection