Study guides, Class notes & Summaries

On a global scale, energy _____ ecosystems whereas chemical elements _____ ecosystems. - correct answer flows through ... are recycled in Consider this segment of a food web: Snails and grasshoppers eat pepper plants; spiders eat grasshoppers; shrews eat snails and spiders; owls eat shrews. The shrew occupies the trophic level(s) of _____. - correct answer secondary and tertiary consumers The producers in aquatic ecosystems include organisms in which of the following groups? - co...

On a global scale, energy _____ ecosystems whereas chemical elements _____ ecosystems. - correct answer flows through ... are recycled in Consider this segment of a food web: Snails and grasshoppers eat pepper plants; spiders eat grasshoppers; shrews eat snails and spiders; owls eat shrews. The shrew occupies the trophic level(s) of _____. - correct answer secondary and tertiary consumers The producers in aquatic ecosystems include ______. - correct answer Cyanobacteria,...

Chemical element - correct answer Substances that cannot be broken down into a simpler form by ordinary chemical means Atom - correct answer The smallest unit of matter that retains the properties and characteristics of the element Ion - correct answer An atom that has a positive or negative charge due to unequal numbers of protons and electrons Molecule - correct answer The resulting combination when two or more atoms share electrons Compound - correct answer ...

flows through ... are recycled in - correct answer On a global scale, energy _____ ecosystems whereas chemical elements _____ ecosystems. secondary and tertiary consumers - correct answer Consider this segment of a food web: Snails and grasshoppers eat pepper plants; spiders eat grasshoppers; shrews eat snails and spiders; owls eat shrews. The shrew occupies the trophic level(s) of _____. cyanobacteria, algae, plants, and photoautotrophs - correct answer The producers in aqu...

What is the fundamental unit of life? - correct answer cell Which is the simpler type of cell, structurally? - correct answer prokaryotic Which of the following cells are prokaryotic? - correct answer bacteria and archaea Which of the following statements about prokaryotic cells is true? - correct answer hey lack membrane-bound organelles. Organelles are best described as __________. - correct answer structures within a cell that have a specific function W...

How do the Taylor Glacier bacteria produce their energy? A) photosynthesis B) heterotrophism C) chemoautotrophism D) thermophobism E) chemosynthesis - correct answer Answer: C In ecosystems, why is the term cycling used to describe material transfer, whereas the term flow is used for energy exchange? A) Materials are repeatedly used, but energy flows through and out of ecosystems. B) Both material and energy are recycled and are then transferred to other ecosystems as in a flo...

Ecosystem - correct answer the sum of all the organisms living in a given area and the abiotic factors with which they interact Two main processes that occur in an ecosystem regardless of its size - correct answer energy flow chemical cycling First law of thermodynamics - correct answer energy cannot be created or destroyed by only transferred or transformed How does energy enter an ecosystem and how is it lost? - correct answer Plants convert solar energy into chem...

Ecosystem - correct answer All organisms in a given area and the abiotic factors with which they interact; involves energy flow and chemical cyling Primary Producers - correct answer Autotrophs, usually photosynthetic, who create sugars to use as food Primary Consumers - correct answer Herbivores who eat producers Secondary Consumers - correct answer Carnivores that eat herbivores Tertiary Consumers - correct answer Carnivores that eat carnivores Detritivo...

Ecosystem - correct answer The sum of all the organisms living within its boundaries and all the abiotic factors with which they interact Law of conservation of mass - correct answer Matter, like energy, cannot be created or destroyed Primary producers - correct answer Trophic level that ultimately supports all others; consists of autotrophs Primary consumers - correct answer Herbivores which feed onplsnts and other primary producers Secondary consumers - correct ...

Ecosystem - correct answer All organisms in a given area and the abiotic factors with which they interact; involves energy flow and chemical cyling Law of Conservation of Mass - correct answer Matter cannot be created or destroyed chemical element cycles within an ecosystem first law of thermodynamics - correct answer energy cannot be created or destroyed but only transferred or transformed photosynthetic organisms convert solar energy to chemical energy, but the to...