Random Biology
The concept involving organisms that are the best suited to their environment will be the most successful and live long enough to repopulate
What is natural selection?/ Fitness
Sickle cell anemia is a recessive disease. If you cross two parents with the alleles Aa x Aa, what are their children's chances of having sickle cell anemia?
What is 25% have sickle cell?
These simple molecules form the basis of all proteins
What are amino acids?
The process in which carbon is cycled between the atmosphere, land, water, and organisms
What is the carbon cycle?
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?
What are homologous structures?
Which cell type does not have a nucleus?
What is a prokaryote? (or prokaryotic cell)
What phase during the cell cycle is DNA replicated?
What is the S phase.
After a wheat field is cleared, wild grasses and weeds begin growing. This process is considered -
What is secondary succession (soil is already present).
A biomolecule that serves as a long term source of energy?
Lipids
A biomolecule that serves as a fast source of energy?
What are carbohydrates?
How much energy is lost to heat from one trophic level to the next?
90%
In the fossil record, a pattern of periods of slow change interrupted by periods of rapid change best describes the theory of -
What is punctuated equilibrium.
movement of ions, and molecules across cell membranes without the need for energy input
What is passive transport?
The stage in meiosis 1 where crossing over occurs to create genetically different chromosomes from the originals
What is prophase 1?
If the producers contain 10,000 Kcal, then how much energy will the secondary consumers contain?
What is 100 Kcal?
Organs/parts many animals still have but are no longer used.
What are vestigial structures?
The first organisms in a new environment break down barren rock into usable soil during primary succession.
What is a pioneer species?
This process produces four genetically unique cells, each with half the number of chromosomes as in the parent
meiosis
Which type of movement across a cell's membrane requires energy supplied by ATP?
Active transport
What type of cell is a chloroplast found in?
Eukaryote; plant cell
The process by which water moves through the cell membrane to balance out a high concentration of solutes.
What is osmosis?
When both alleles are present they will mix to create a new phenotype/trait
What is incomplete dominance?
Which characteristic do all organisms in Kindoms Animalia, Protista, and Fungi have in common?
What is they are eukaryotic.
A relationship where one species benefits from another species and that species is not harmed or helped.
What is commensalism
Sickle cell anemia is a recessive disease. If you cross two parents with the alleles Aa x Aa, what are their children's chances of having sickle cell anemia?
What is 25% have sickle cell?