Honors First Semester Final Review

Plants obtain nitrogen from

• ammonia and nitrates

• amino acids

• nitrogen gas

• nitrous oxide

An antibiotic kills 99.9% of a bacterial population. You would expect the next generation of bacteria to

• be more contagious than the prior generation

• die out due to the drastic decrease in population size

• be more resistant to the antibiotic

• be just as susceptible to the antibiotic

Which of the following does not cause climate

• shape and elevation of land

• transport of heat by wind

• longitude

• trapping of heat by the atmosphere

Charles Darwin called the ability of organisms to survive and reproduce in its specific environment

• evolution

• adaptation

• fitness

• diversity

denitrifying bacteria convert _______ to ________

• nitrogen gas; nitrates

• nitrogen gas; nitrites

• ammonium; nitrates

• nitrates; nitrogen gas

Which kingdom contains organisms with the following characteristics?

I. Most are microscopic

II. Single celled organisms

III. Many live in colonies

• Protista

• Fungi

• Plantae

• Animalia

During ecological succession, the species composition of a plant community generally

• changes until forest is established and a single species of plant remain

• remains stable as long as climate and human interference remain constant

• changes from a diverse community to one in which a few species are numerically dominant

• changes gradually because each species responds differently to the changing enviornment

Each of the following is a condition necessary for natural selection EXCEPT

• population size is large

• there is heritable variation

• fitness varies among individuals

• more offspring are born than can survive

What is the atomic mass of Titanium (Ti)

• 26

• 70

• 22

• 48

How do ocean currents form?

• the mixing of cold water rising at the poles and warm water sinking at the equator

• the mixing of cold water rising at the poles and warm water rising at the equator

• the mixing of cold water sinking at the poles and warm water rising at the equator

• the mixing of warm water rising at the poles and cold water sinking at the equator