This is our "vocab term" for differences between individuals.

Fossils of organisms that lived extremely long ago are found in these layers of rock.

This means "water-hating," and is a property of the tails of phospholipids.

This is the long part of a neuron that is often covered in myelin sheaths.

This is a species interaction involving two species fighting over a shared, scarce resource.

This is a type of selection where humans are the ones doing the selecting.

Scientists can compare this, found inside the nucleus of cells, to determine degree of species relatedness.

This is a property of the membrane that means that it lets some substances through while not allowing others through.

This is the connection between the axon of one neuron to the dendrites of another neuron, where neurotransmitters bind to receptors.

This is a mechanism of evolution in which allele frequencies of a population change over generations due to chance.

This is a type of selection where males fight each other for access to mates.

This is the "vocab term" for the early stages of development of organisms, which scientists can compare to each other to infer that all forms of life are related.

This is the general term for types of transport that happen without using ATP.

This is the type of "polarization" that happens during an excitatory graded potential.

Generally speaking, extinction occurs because a species cannot do this.

This mode of natural selection leads to both extremes of a trait being prevalent in a population.

All forms of life use these same biological molecules to make proteins.

Active transport typically moves substances against this.

This is the kind of atom that first rushes into a neuron during an action potential.

This is something that generally happens with parasitoidism that generally does not happen with parasitism.

For natural selection to occur, there need to be variations that are heritable, and also what?

Different species have these category of structures because they have a common ancestor that also had that structure.

This is a type of passive transport that uses a carrier molecule to bring a substance across a membrane.

These are the names of the pumps and the channels that set up a resting membrane potential (2 answers!)

This is the process by which new species arise while living in the same geographic location.