Studies
Animal Relationships
Enviroment
DNA
Cells
100
Which famous scientist introduced the idea of natural selection?
Charles Darwin.
100
Close relationship where one organism benefits and the other is harmed.
Parasitism.
100
The sequence of biotic changes that regenerate a damaged community or create a community in a previously uninhabited area.
Succession.
100
A single piece of coiled DNA is known as?
A Chromosome.
100
What substances make up the nucleolus?
Ribosomal RNA (rRNA).
200
A person who studies biology is known as a?
Biologist.
200
Close relationship where one organism benefits and the other is not affected.
Commensalism
200
Type of growth when organisms have unlimited resources.
Exponential.
200
Is bacteria prokaryotic or eukaryotic?
Prokaryotic.
300
Can frogs live in salt water?
No.
300
The process by which one organism captures and feeds upon another organism.
Predation.
300
Type of growth when organisms have limited resources.
Logistic.
300
Who discovered that DNA was a double helix?
James Watson and Francis Crick.
300
What is the five main phases of mitosis?
Interphase, prophase, metaphase, anaphase, telophase.
400
In which relationship does both organisms benefit?
Mutualism.
400
How do you determine population density?
Number or individuals divided by area (units).
400
Who discovered a clear X-Ray of DNA?
Rosalind Franklin.
400
What are the two main groups in which cells are classified?
Eukaryotic and prokaryotic.
500
Who discovered meiosis?
Oscar Hertwig.
500
What is it called when two different species eat the same food?
Competition.
500
What are the three different types of population dispersion?
Clumped, uniform, random.
500
What shape is DNA?
A double helix.
500
Do the cells of bacteria have a nucleus? Why?
No, there is internal membrane that encloses a nucleus.
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