lecture 1

Question 1

Levels of Biological Organization

Answer 1

Molecules -> Organelles -> Cells -> Tissues -> Organs/ Organ Systems -> Organisms-> Populations -> Biological Communities->Ecosystems-> Biosphere

Question 2

Eukaryotic cell

Answer 2

w/ membrane-enclosed organelles, including a nucleus. e.g. plants, animals, fungi

Question 3

Prokaryotic cell

Answer 3

bacteria and archaea, simpler and smaller. No nucleus or other membrane-enclosed organelles.

Question 4

DNA

Answer 4

a long, double helix molecule made up of four types of nucleotides

Question 5

Chromosome

Answer 5

long DNA molecule, many genes, coiled up inside cell

Question 6

gene

Answer 6

a segment of DNA that codes for a protein or trait

Question 7

Genome

Answer 7

Organism’s entire set of genetic instructions

Question 8

Domain->Kingdom ->Phylum ->Class -> Order ->Family -> Genus -> species

Answer 8

Dumb King Phillip Came over for good stuff

Question 9

Darwin’s Four Observations

Answer 9

1. Individuals within Populations Vary
2. Some of the Variation is Heritable
3. More Offspring are Produced than Will Survive
4. Survival and Reproduction Are Not Random