ocean 2/6

the movement of water across a cell membrane from an area of high concentration to low concentration is called a. diffusion b. osmosis c. active transport d. chemosynthesis e. none

osmosis

the organisms that produce food are called a. primary consumer b. primary producer c. heterotrophs d. secondary consumers e. none

primary producers

which of the following is least related to the rest a. archea b. bacteria c. eukaryotes

bacteria

photosynthesis is borrowed by sunlight with chemosynthesis is powered by a. chemical bonds b. high temperature from the vents c. chloyophyll d. UV light

chemical bonds

which of the following is the larger taxonomic grouping a. class b. family c. order d. genus

class

most marine organisms have an internal temperature very close to that of their surroundings. They are known as __ organisms a. poikilothermic b. endothermic c. homeothermic d. ectothermic e. none

endothermic

herbivores are knows as secondary consumers

false

an organisms address within a community is its _ while an organisms ___ is it occupation a. biome; niche b. habitat; biome c. niche; habitat d. habitat; niche e. biome; habitat

habitat; niche

which of the following describes a habitat not a niche? a. filter feeding plankton in the coast b. large predatory fish c. spray zone in rocky outcrop d. photosynthetic marine bacteria

spray zone in a rocky outcrop

according to Darwin's theory of evolution by natural selection what drives the evolution of a species? a. the females of the population b. the leader of the herd c. the environment d. mutations in the genes

the environment

which of the following include/s major groups that carry out chemosynthesis in the ocean a. archea b. bacteria c. eukaryotes d. a and b are both correct e. b and c are both correct

a and b are both correct

which of the following regions has the highest rate of primary production a. middle north pacific b. equatorial Atlantic c. west coast of North America d. artic coast

artic coast

a stable long established community is knows as a. keystone b. a climax community c. a succession d. niche e. a biome

climax community

all other factors of being equal, a greater quantity of dissolved gas can be held in solution in __ seawater a. cold b. warm c. high salinity d. low salinity e. none

cold

which of the following has the highest rate of net primary productivity a. temperate forest b. coral reef c. open ocean d. shelf plankton

coral reef

life is categorized into two domains one for all the prokaryotic organism and one for all the eukaryotic organism

false

marine organisms are limited in terms of where in the ocean they can live because of the enormous amount of pressure in the deep sea

false

the aphotic zone is the upper layer of the ocean were there is enough light for photosynthesis and vision

false

climax communities are typified by what characteristics? a. high population density of a dominant species b. stable make up of species c. high degree of species diversity d. very rapid increase of a resident population

high degree of species diversity

the main inorganic nutrients necessary for photosynthesis growth and reproduction in marine autotrophs are a. carbon dioxide and carbohydrates b. glucose and oxygen c. nitrates and phosphates d. nitrates and carbohydrates e. none

nitrates and phosphates

the ___ of the water column tends to have a relatively higher pH because of the relatively a. bottom water; low temperature b. surface water; higher CO2 c. surface water; higher O2 d. bottom water; higher CO2

surface water; higher O2

a tuna is an example of a top consumer

true

an important part of Darwinian natural selection is that traits must be inheritable

true

asteroids hitting earth may result in mass extinctions

true

the photic zone reaches deeper in open ocean water than in coastal water

true