bio101 final

i'm so cooked

which of the following is not a characteristic shared by all living organisms

photosynthesis

what is the correct order of biological organization from smallest to largest

atom- molecule- organelle- cell

which domain includes organsims with cells that have a nucleus

eukarya

the scientific method begin with

observation

a hypothesis

testable and falsifiable

Which of the following is a dependent variable in an experiment?

The variable you measure

Which of the following is not part of a well-designed experiment?

a hypothesis supported by extensive evidence

Which of the following is the highest level in the taxonomic hierarchy

domain

what is the correct order of taxonomic hierarchy

domain

which includes extremophiles

archaea

what does a phylogenetic tree represent?

evolutionary relationship

Homologous structures suggest

common ancestry

analogous structure are

similar in the function but different in evolutionary origin

which of the following is not used in systematics?

weather patterns

who proposed the theory natural selection

charles darwin and alfred wallace

which of the following is not a mechanism of evolution?

migration

what is the definition of evolution?

change in allele frequencies in a population

Which of the following is an example of natural selection

antibiotic resistance in bacteria

what is the founder effect

loss of genetic variation due to a small group

which of the following is a prezygotic barrier to reproduction

temporal isolation

which of the following is not evidence for evolution

seasonal climate change

the study of the interactions of living organisms with their environment is called

ecology

Which of the following is the largest and most inclusive level of ecological investigation, encompassing all life on earth and the environment that supports it?

biosphere

the study of current size, growth rate, and mortality rate of all individuals of single deer species in a forest occurs at what ecological level

population ecolgoy

a group of individuals of a single species that occupy the same genreal area is called a

population

In the absence of any environmental resistance (no population-limiting factors), a population growth curve would have a which shape?

J-shaped (exponential growth)

If a population’s growth rate decreases as the population size increases and resources become depleted, the population’s growth follows a(n)____ model

logistic

The carrying capacity of a population (K) is defined as

The maximum population size that can be sustained in a given environment

A severe flood that kills a large percentage of a snake population, regardless of how many snakes are in the area, is an example of a(n)

density-independent factor

Which of the following is the best example of a density-dependent factor limiting population growth

increased competition for nesting sites as the population becomes denser

The age structure diagram of a rapidly growing country is typically shaped like a:

pyramid (expanding)

competition between two species for the samples’ limiting resource will most often result in

predatation