DNA
what is the shape of dna
a group of land ecosystems with similar climates and organisms
what is a biome?
They are considered the father of evolution
Who is charles darwin
The study of interactions between organisms and their environment
what is ecology?
this is the control center of the cells
what is the nucleus?
section of DNA that codes for a specific protein that will code for a trait
What is a gene?
The ocean floor where organisms live attached or near the bottom of the ocean and where no light reaches
what is the deep zone?
they proved DNA is a helix shape
Who is watson and crick?
non living things in an ecosystem (rocks, wind, dirt, etc)
what are abiotic factors
the growth and division that a cell goes through during its life
What is the cell cycle?
deoxyribonucleic acid
what is DNA
A major ecosystem that includes.. ponds, lakes, streams, rivers, wetlands
what is a freshwater ecosystem
who is avery?
living things in an ecosystem ( plants, animals, bacteria)
what are biotic factors?
cell division that creates 2 daughter cells w the same number of chromosomes as the parent cells
what is mitosis?
Nucleotides
what are the repeating units of DNA
The zones of the ocean (top to bottom)
what is intertidal, continental shelf, bethic zone
they proved DNA is genetic material using radioactive labeling and bacteriophage
an organisms role or way of life
what is a niche?
the natural movement of particle from a high concentration area to a low concentration area
What is diffusion?
Adenine and Guanine
what are the two purines in DNA
nonliving organisms that feed off themselves
what are abiotic organisms
cells are the basic unit of life that create plants and animals
What is the cell theory
a process by which carbon is cycled between all aspects of life
what is the carbon cycle
the movement of substances against a concentration of gradient and requires energy
what is active transport?