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proximate causesa explain the evolutionary significance of a behaviorb are immediate causes of behavior such as
behavioral ecology is thea study of the behavior of animals focusing on stimulus and responseb application of human
what is a monomer composed of a five carbon sugar phosphate and either adenine thymine cytosine guanine or
what consists of sugars and sugar polymers that provide a source of energy and structural components for
a diagram that can show the relative amounts of energy biomass or number of organisms in each tropic level in an
a model representing the many intersecting food chains and pathways in which energy flows through a group of
an organism that consumes other organisms is called
a sample of potassium nitrate 49g is dissolved in 101g of water at 100 degrees c with precautions taken to avoid
an ecological footprint is an estimate ofa the carrying capacity of a nationb the number of offspring an adult produces
the human population is growing at such a fast rate becausea the age structure of many countries is highly skewed
the term k-nka is the carrying capacity for a populationb is greatest when k is very largec is zero when population
a type i survivorship curve is level at first with a rapid increase in mortality in old age this type of curve isa
which of the following types of intraspecies communication signal is best suited to a fruitflys stimulus response chain
in operant conditioninga an animal improves its performance of a fixed-action patternb an animal learns as a result of
a sensitive perioda is the time right after birthb usually follows the reception of a sign stimulusc is a limited time
the brain is a terrible thing to waste that is why harvard has set up a centralized brain tissue resource center it
1 define the following chromosome chromatid centromere autosome sex chromosome gene karyotype pheontype genotype allele
1 the data below was gathered in the animal behaviour lab in this case 5 zebra danios were placed in a container in
1 natural selection is the process by whicha the age of selected fossils is calculatedb organisms with traits
1 the organs of excretion in flatworms area nephridiab contractile vacuolesc malpighian tubulesd protonephridia2
the platypus and the spiny anteater are examples of which mammalian groupa marsupialsb monotremesc placentalsd
1 how long can hagfish go without eatinga 1 monthb 3 monthsc 5 monthsd 7 months2 how is hagfish sex influenced by the
describe the full loop from activation of a mechanoreceptor in the arm to the voluntary movement of the arm as a
a lizards often lie in the sun in the mourning whyb basking sharks swim close to the surface of the water and appear to
1 what mode of nutrition is performed by organism in the protista kingdoma autotrophicb heterotrophicc both a and bd