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100
The concept that organisms who are the best suited to their environment will be the most successful
What is natural selection
100
These simple molecules form the basis of all proteins
What are amino acids?
100
Which organisms have the most available energy in a food pyramid?
Producers
100
The process in which carbon is cycled between the atmosphere, land, water, and organisms
What is the carbon cycle?
100
The legs of crocodiles and cats have similar bone structures and develop in a similar way which indicates a common ancestor. What type of structures are the leg bones? (analogous or homologous)
What are homologous structures?
200
Which cell type does not have a nucleus?
What is a prokaryote? (or prokaryotic cell)
200
After a wheat field is cleared, wild grasses and weeds begin growing. This process is considered -
What is secondary succession (soil is already present).
200
What phase during mitosis is DNA replicated?
What is the S phase.
200
A biomolecule that serves as a fast source of energy?
What are carbohydrates?
200
Any inherited trait that increases an organism's chance of survival is known as this.
What is an adaptation
300
How much energy is lost from one trophic level to the next?
90%
300
movement of ions, and molecules across cell membranes without the need for energy input
What is passive transport?
300
The amount of resources needed to support life in an ecosytem is called...
What is carrying capacity?
300
Section of DNA coding for a specific trait.
What is a gene?
300
If the producers contain 10,000 Kcal, then how much energy will the secondary consumers contain?
What is 100 Kcal?
400
Organs/parts many animals still have but are no longer used.
What are vestigial structures?
400
This process produces four genetically unique cells, each with half the number of chromosomes as in the parent
meiosis
400
What is a pioneer species?
The first plants and animals to live in a newly available ecosystem.
400
Which type of movement across a cell's membrane requires energy supplied by ATP?
Active transport
400
What type of cell is a chloroplast found in?
Eukaryote; plant cell
500
The process by which water moves through the cell membrane to balance out a high concentration of solutes.
What is osmosis?
500
Which characteristic do all organisms in Kindoms Animalia, Protista, and Fungi have in common?
What is they are eukaryotic.
500
Solar energy breaks chemical bonds to allow matter to arrange into a new form...this is a description of...
What is photosynthesis?
500
Describe commensalism.
A relationship where one species benefits from another species and that species is not harmed or helped.
500
A protein catalyzing a starch molecule.
What is amylase?