Genetics
A change in the sequence of DNA
joining of a sperm and an egg cell to produce a zygote
What is fertilization?
An organism that can produce its own food
What is an autotroph?
change in a species over time
What is evolution?
where a species lives
What is a habitat?
Making an offspring that is an identical copy
What is cloning?
Type of cell division used to make identical body cells
What is mitosis?
Organisms with the most energy in an ecosystem, shown at the bottom of an energy pyramid
What are producers?
organism that was once alive in the past, but is no longer alive today
What is extinct?
molecule that cuts DNA at a specific sequence
What is a Restriction Enzyme?
A segment of DNA that codes for a trait
What is a gene?
site of fetal development
What is the uterus
change in an environment over time from bare rock to climax community
What is ecological succession?
evidence that shows that many of the organisms that were once alive on Earth are extinct today
What is the fossil record?
the variety of organisms in an ecosystem
What is biodiversity?
choosing the individuals with desired traits to breed to try to get a specific trait
What is selective breeding?
transfers nutrients, oxygen, and wastes between the mother and the fetus
the specific role of a species in an ecosystem
What is a niche?
Process in which individuals with the most favorable traits survive to reproduce, passing on the traits to offspring
What is natural selection?
separates DNA fragments based on size
What is gel electrophoresis?
Inserting the genes of one organism into the DNA of another organism ex. Human Insulin
What is genetic engineering?
Process during development in which unspecialized cells become specialized
What is differentiation?
the amount of individuals that an ecosystem can support
What is carrying capacity?
An organism in the evolutionary history that two different organisms share
What is a common ancestor?
What is paper chromatography?