The chemical basis of life
what is a compound?
Carbohydrates, lipids, protein, and nucleic acids
What is 4 main biomolecules?
a membranous sac of digestive enzymes
what is lysosome?
dead matter produced at all trophic levels
What is detritus?
response directed toward positive or away from the negative stimulus
a molecule containing polar covalent bonds and having an unequal distribution of charges
What is a polar molecule?
the building blocks of polymers
what is a monomer?
a complex of proteins and DNA
What is the chromatin?
the sequence of food transferring up the trophic levels
What is the food chain?
the proportional representation of a species
What is relative abundance?
an unstable isotope whose nucleus decays spontaneously giving off particles and energy
What is radioactive isotopes?
a fat with no double bond in their double chain
what is saturated fat?
use instructions sent from the nucleus (mRNA) to carry out protein synthesis
disease-causing bacteria, viruses, fungi or protists
What is pathogens?
the use of ecology principles to develop methods to return degraded ecosystems to conditions as similar as possible to their natural, pre-degraded state
what is restoration ecology?
a chemical bond resulting from the attraction of oppositely charged ions
what is an ionic bond?
polysaccharides
What is polymer for carbohydrates?
long cellular appendages specialized for locomotion
What is flagella?
the process of biological community change resulting from a disturbance- primary and secondary succession
What is ecological succession?
use of landmarks to learn the spatial structure of the environment
What is spatial learning?
a substance that cannot be broken down to other substances by ordinary chemical means
what is an element?
a giant molecule formed by the joining of smaller molecules
what is a macromolecule?
short numerous appendages that protrude from certain cells
What is Cilia?
number of different species
What is species richness?
depends on bacteria
What is the nitrogen cycle?