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100
The concept that organisms that are the best suited to their environment will be the most successful...the best traits are selected to be passed on.
What is natural selection?
100
Both organisms benefit from this type of symbiotic relationship.
What is mutualism?
100
Which organisms have the most available energy and are at the bottom of a food pyramid?
Producers
100
The process in which DNA is turned into RNA
What is the transcription?
100
A homozygous tall plant (TT) is crossed with a homozygous short plant (tt). What is the probability of a short offspring?
What is zero?
200
Water molecules stick to other surfaces, for example water droplets sticking to a leaf
What is adhesion?
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
Starts with bare rock
What is primary succession?
200
A molecule that speeds up chemical reactions
What are enzymes?
200
Name of the processes illustrated.
What is mitosis (left) and meiosis (right)?
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
Organic compound that serves as insulation and long-term energy
What is a lipid?
300
What type of mutation has occurred?
Original DNA: A T T C G A
Mutated DNA: C T T C G A
What is substitution?
300
If the producers contain 10,000 Kcal, then how much energy will the secondary consumers contain?
What is 100 Kcal?
400
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?
400
Found in all living things and shaped like a double helix
What is DNA?
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
The purpose of cellular respiration.
What is energy production (make ATP)?
500
The process by which water moves through the cell membrane to balance out a high concentration of solutes.
What is osmosis?
500
Cell type of animals, plants, fungi, & protists...contain a nucleus and membrane-bound organelles
What is eukaryotic?
500
Organic compound built from amino acids
What is a protein?
500
Describe commensalism.
A relationship where one species benefits from another species and that species is not harmed or helped.
500
The maximum amount of organisms an ecosystem can support.
What is carrying capacity?