Structure and function.
Cells that are single-celled and do not have a nucleus, and are not membrane-bound organelles.
What is prokaryotic cells.
Occurs when there is an error during DNA copying. It can lead to new traits and, better or worse, the organism's fitness.
What is a mutation.
The same species of lizards has two variations, Long legs and short legs. The Lizards with Longer Legs survive and reproduce, while the shorter-legged lizards do not. This is an example of what?
What is Natural selection.
A girl stops her antibiotics early because she feels better. But a little while later The infection came back, and the antibiotics were no longer effective.
What is Resistance.
When one organism is harmed and the other benefits.
What is parisitism.
A strand of DNA that needs to infect a host to reproduce, often making the host sick.
What is a Virus.
A type of reproduction where the organism doesn't need a mate.
What is asexual reproduction?
What is camoflauge?
How might a newly introduced species affect the environment?
It could destabilize the food chain and the environment.
When an animal and another animal work together and thrive.
What is mutualism?
Large Membrain-bound organelles that are unicellular or multicellular and have a nucleus.
What is eukaryotic.
What is Evolutionary Fitness?
The person who developed the theory of evolution by natural selection.
What is Charles Darwin
A person gets infected by a virus and eventually fights it off. Now this person can no longer get that virus. What is this an example of?
What is Immunity.
A type of person who can't digest lactose.
What is lactose intolerants.
When different species share a similar bone composition inside their body.
What are Homologous Structures?
A type of reproduction that does require a mate.
What is sexual reproduction
When organisms in separate environments originated from a common ancestor.
What is biogeography?
A fishing town over fishes a lake and the fish population decreases derasticaly. What is this an example of?
What is Impact.
A fish population decreases after a large storm overflowed a sewage plant. what is this called.
What is pollution.
A single-celled organism that is asexual and reproduces at a fast rate. It covers everything you touch.
What is Bacteria
When an isolated population randomly gets a mutation.
What is genetic drift?
This type of dating is expensive, sometimes not possible, and destroys part of the fossil in the process
What is absolute dating?
Fish in a pond start to loose oxygen when garbage is accidentaly dumped in the pond. What is this an example of.
what is polution.
A factor that could help an environment bounce back from a natural disaster.
What is Bio-Diversity