Heredity
The process by which the number of chromosomes is reduced by half to form sex cells
What is meiosis
Most fossils form when they become buried in...
What is sediment
A type of unicellular plantlike protist with glasslike cells walls
What is a diatom
The process by which plants lose water through their leaves is...
What is transpiration
Budding is a form of....
What is asexual reproduction
A change in a gene or chromosome
What is a mutation
A technique that allows scientists to determine the actual age of a fossil
What is radioactive dating
A close relationship between two species in which both species benefit
What is mutualism
A plant that has a two year life cycle is called...
What is a biennial
An animal that has no backbone is called
What is an invertebrate
A genetic disorder in which a person's blood clots very slowly
What is hemophilia
A fossil made of hardened minerals in the shape of the original organism
What is a cast
Conjugation is a form of
What is sexual reproduction
A waxy, waterproof layer that covers the leaves of most plants
What is a cuticle
What do sponges obtain from the water
What is food and oxygen
Chromosomes that determine if a person is a male or female.
What is Sex chromosomes
One of the main ways by which new species form
What is geographic isolation
Bacteria that break down large chemicals in dead organisms into small chemicals are called
What is decomposers
In the sporophyte stage, plants produce
What are spores
An organism that lives in or on another organism is called...
What is a parasite
Breeders cross two genetically different individuals
What is hybridization
Evolution occurs by means of what process
What is natural selection
In order to multiply a virus must
A fern is a....
What is a vascular plant
The organism that supports a parasite is called
What is the host