Random Biology
The concept that organisms who are the best suited to their environment will be the most successful
What is natural selection
These simple molecules form the basis of all proteins
What are amino acids?
Which organisms have the most available energy in a food pyramid?
Producers
Sunlight
What is the ultimate source of all biological energy in an ecosystem?
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)
Why do X-linked genetic conditions appear more frequently in males than in females?
What phase during mitosis is DNA replicated?
What is the S phase.
A biomolecule that serves as a fast source of energy?
What are carbohydrates?
Any inherited trait that increases an organism's chance of survival is known as this.
What is an adaptation
Vestigial structures are leftover, diminished features that have lost their original function over time
What is a vestigial structures?
movement of ions, and molecules across cell membranes without the need for energy input
What is passive transport?
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.
The stage in meiosis 1 where crossing over occurs to create genetically different chromosomes from the originals
What is prophase 1?
Genes, which are made of DNA sequences and are located on chromosomes
What are the basic functional units of heredity?
Organs/parts many animals still have but are no longer used.
What are vestigial structures?
This process produces four genetically unique cells, each with half the number of chromosomes as in the parent
meiosis
The first plants and animals to live in a newly available ecosystem.
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?
Which characteristic do all organisms in Kindoms Animalia, Protista, and Fungi have in common?
What is they are eukaryotic.
When both alleles are present they will mix to create a new phenotype/trait
What is incomplete dominance?
requires oxygen and produces a large amount of ATP.
aerobic respiration
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?