This is the headquarter of the cell.
nucleus
This system keeps the body healthy. Your skin acts as a protective barrier.
Immune system
Dominant allele (Hh)
heterozygous
states that some organisms are better suited for their environment for surviving.
Natural selection
Carries blood to the heart
veins
Surrounds the cell
cell membrane
Helps body discard toxins.
Lymphatic system
Recessive allele (hh)
homozygous
Who wrote “On the Origin of Species by means of Natural Selection”
Charles Darwin
Carries blood AWAY from the heart
arteries
Provides extra protection and support
cell wall
Waste products and carbon dioxide are removed by this system.
Excretory system
A dominate trait is always written with a..
capital letter
Charles Darwin went on an island called..
Galapagos Islands
Most basic unit of life
cell
Plants have green organelles called..
Chloroplast
father of genetics
Gregor Mendel
A recessive allele is always written with a..
lowercase letter
Two components of natural selection
overproduction and variation
One of the six characteristics of something to be alive
needs to be made of one or more cells, it must have DNA, must respond to stimuli, must grow and develop, must be able to reproduce, must require energy to live
Stores food and water for the cell
Vacuoles
Humans have 23 pairs of chromosomes for a total of what?
46
There are how many squars in the punnet square?
4
Evolution is..
The change in the genetic composition of a population during successive generations, as a result of natural selection.
Organisms made up of one cell
unicellular