Ecology
What is the difference between a producer and a consumer?
a producer gets energy from the sun
a consumer gets energy from eating a producer or another consuer
What does DNA stand for?
deoxyribonucleic acid
What are alleles?
Alternate forms of a gene
What is the difference between an electron and a proton?
electon has a negative charge and a proton has a positive charge
What overall charge does soil have?
negative
What are the three ecological pyramids?
Energy pyramid
Biomass pyramid
Numbers pyramid
What makes up the rungs of the DNA ladder?
Nitrogenous base pairs
What is the difference between a genotype and phenotype?
Genotype is the actual alleles that a person has and a phenotype is the physical expression of those genes
What is the difference between a compound and a molecule?
Molecule can be any combination of two or more atoms and a compound has the atoms in equal proportions
What is adhesion water?
Water that adheres to soil and is not available to plants by itself
Give me four organisms on a food chain, starting with the producer
plant, rabbit, fox, coyote
What is the difference between DNA and RNA?
DNA has a deoxyribose sugar
RNA has a ribose sugar
If you have two heterozygous parents, what percent of the offspring will be recessive?
25%
Give two examples of a physical change and two examples of a chemical change
physical--water freezing and water boiling
chemical--rust forming, milk plastic
What is gravitational water?
Water that drains down and out and cannot be absorbed
Give an example of mutualism
clownfish and sea anemone
cleaner fish and shark
oxpecker and buffalo
What are two differences between mitosis and meiosis?
mitosis produces exact copies and meiosis produces different cells
mitosis has four phases, meiosis has eight
mitosis produces diploid cells, meiosis->haploid
What provides evidence for descent with modification over time?
fossil record
Give two examples of atoms and one example of a molecule.
H2O CO2