Biomes Flashcards
What is a chemoautotroph?
a. the green pigment necessary to capture light energy during the process of photosynthesis
b. any organism that can carry out photosynthesis
c. abiotic factors that are part of an ecosystem
d. organisms able to transform elements like sulfur, iron, hydrogen, or ammonia into energy
d. organisms able to transform elements like sulfur, iron, hydrogen, or ammonia into energy
What is a trophic level?
a. a living organism’s position in the flow of energy through an ecosystem
b. a model used to show the types of organisms in an ecosystem
c. all of the nonliving things in an ecosystem
d. the amount of energy that an organism uses to survive in an ecosystem
a. a living organism’s position in the flow of energy through an ecosystem
What is the process by which water leaves a plant through its leaves?
transpiration
Which two substances have parts of their cycles in which the substance must be “fixed”?
a. water and phosphorous
b. carbon and nitrogen
c. nitrogen and water
d. sulfur and oxygen
b. carbon and nitrogen
What is fixation?
the process by which some bacteria take nitrogen from the air and make it usable to other organisms
Which four abiotic factors make up climate?
temperature, moisture, sunlight, and wind
What is the single most important factor that influences adaptations of organisms that live in terrestrial biomes?
water loss
Which answer describes an adaptation used by plants to minimize transpiration?
a. deep, wide roots
b. small leaves or no leaves at all
c. limited reproduction
d. dormancy
b. small leaves or no leaves at all
What is the BEST definition of a desert biome?
an area or region where more water moves from the land to the atmosphere than falls to the ground as precipitation
Which term describes why a desert forms next to a mountain?
a. transpiration
b. dormancy
c. rain shadow
d. equatorial winds
c. rain shadow
Which of the following is a main characteristic of a Mediterranean climate?
a. hot, wet summers, and cooler, dry winters
b. hot, dry summers, and cooler, wet winters
c. cool, dry summers, and colder, wet winters
d. cool, dry summers, and very cold, dry winters
b. hot, dry summers, and cooler, wet winters
Which are summers and winters like in a Mediterranean climate?
hot, dry summers, and cooler, wet winters
Which area is characterized by a flat terrain?
a. deserts
b. grasslands
c. dry woodlands
d. Mediterranean shrublands
b. grasslands
What is the primary food source for many of the animals that live in the temperate grasslands?
grass
How are plants called epiphytes adapted to living in the understory of a rainforest?
they are able to use moisture from the air
