unit 1 environmental science mock exam questions

carrying capacity is the ______

maximum sustainable population size that a given environment can support

environmental science is primarily concerned with:

understanding the natural world and our relationship to it

what does the scientific method primarily rely on?

systematic observation and experimentation

which of the following best illustrates an emergent property of systems?

interacting components of a forest creating oxygen regulation not possible by individual trees alone

How much energy typically transfers from one trophic level to the next in the food chain?

10%

wicked problems in environmental science and difficult to solve because:

they hav many causes and consequences, and solutions involve trade-offs

empirical science relies on:

systemic observations and experimentation

joining monomers into polymers is called”

polymerization

the scientific method and emphasizes

systematic investigation and testing

What does the pH scale measure

strength of acids and bases

which of the following is an example of reproductive isolation?

Geographic barriers preventing two populations from breeding

the savanna biome is best describes as:

a grassland interspersed with scattered trees, with pronounced wet and dry seasons

which statement accurately describes the scientific method?

it is a formal process of inquiry designed to test problems and ideas

which type of bond is relatively weak but important in molecules like water?

hydrogen bond

work is defined as:

applying force to an object over a distance

thermal energy is a measure of:

movement and collisions of atoms/molecules

adaptations such as nocturnal activity, water storage in tissues, and reduced leaf surface area are most common in:

desert

what does exponential growth describe?

populations doubling rapidly under ideal conditions

Atoms of the same element with different numbers of neutrons are called?

isotopes

sustainability refers to:

managing natural resources without diminishing Earth’s future ability to provide them

natural selection is the process ______

in which individuals with traits better adapted to their environment survive and reproduce more

anthropocentrism emphasizes:

humans as the only beings with intrinsic value, with resources serving human needs

why are sea stars considered a keystone species?

their presence strongly influences the diversity of other species

populations lacking any environmental resistance tend to increase by ____

exponential growth

an ecosystem includes

both living communities and the physical environment

what are the three main particles that make up at atom?

proton, neutron, electron

An organism that transforms sunlight into chemical energy held within the molecules of its structure

primary producer

a particle within atoms that has a positive charge

proton

a particle within atoms that has no electric charge

neutron

an atom of an element within a particular number of neutrons

isotopes

a measure of the degree of disorder in a system

entropy

a particle within atoms that carries a negative charge

electron

which statement best describes how bees help pollinate apple blossoms?

pollen sticks to their bodies and transfer to other blossoms

who do tropical regions have greater species richness compared to temperature regions

they have stable climates and greater habitat diversity

a molecule formed when atoms of two or more elements bond together is called a:

compound

which atomic particle lacks charge but contributes to atomic mass?

neutrons

a limitation of peer review is that:

findings are not necessarily conclusive

an example of ecosystem services would include _______

wetlands that naturally purify water

which type of bod occurs when pairs of atoms are electrons?

covalent bond

intraspecific competition occurs

amount members of the same species competing for resources

where are protons and neutrons located in an atom

nucleus

when you burn a log in your fireplace, you are converting ________

chemical energy to thermal (heat) energy

in which symbiotic relationship does one organism benefit while the other is unaffected

commensalism