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