Biology Semester 2

Structures that have different mature forms but develop from the same embryonic tissue are

In which geologic era do you live?

Which event occurred at the end of the paleozoic era?

Darwin also studied the preserved remains of ancient organism called:

Which are two ways a population can decrease in size?

Having two identical alleles for a given gene

Which would an animal breeder use to produce cows that give more milk?

A single-gene trait that has two alleles and that shows a simple dominant-recessive pattern =

Which of the following includes all of the others?

A group of individuals belonging to a single species that lives together in a defined area is

The large ground finch obtains food by cracking seeds. Its short, strong beak is an example of

Survival and reproduction of individuals best suited to their environment.

Characteristic of the traits that Mendel tracked in pea plants

Separates DNA fragments

Population grows at a constant rate

Which of the following is NOT characteristic of matter in the biosphere?

Which of the following can be used to produce organisms with desirable traits?

Which answer is an important concept in Darwin’s theory: evolution by natural selection?

A cross between dissimilar individuals to bring together their best characteristics is called

25%red,25%white,50%pink. What pattern of inheritance does flower color in these flowers follow?

What ratio did Mendel find in his F2 generation?

Which of the following is NOT an example of a density-dependent limiting factor?

The range or area occupied by a population is its

Continued breeding of individuals with similar characteristics

The total mass of living tissue at each trophic level can be shown in a(an)

A species that enters an environment where it has not lived before is called a(an)

Birth rate = death rate

A resource that cannot be replenished by natural processes is called

Makes many copies of a DNA sample

Sedimentary rocks form when layers of small particles are compressed

Which of the following are necessary to complete the demographic transition?

Which of the following phrases best describes the results of natural selection?

As a group, the large-scale evolutionary changes that take place over long periods of time are

f a population grows larger than the carrying capacity of its environment, the

Which of the following characteristics does NOT apply to a plasmid?

The process that produces a similar appearance among unrelated groups of organisms is

The ability of an individual organism to survive and reproduce in its natural environment is:

Ozone depletion has been caused by

Bacteria often contain small circular molecules of DNA known as

All of the life on Earth exists in a region known as

The number of phenotypes produced for a given trait depends upon

The endosymbiotic theory proposes that eukaryotic cells arose from

What is NOT true of a renewable resource?

The max number of organisms of a particular species that can be supported by an environment is

GTTAAC CAATTG;cut creates two sticky ends that are four bases long, what will be one sticky end

The movement of individuals into an area is called

Differences among individuals of a species are referred to as

The type of selection in which individuals at one end of a curve have the highest fitness is

Which answer does NOT provide evidence, living things have been evolving for millions of years

Which of the following is NOT a consumer?

To produce transgenic bacteria that make insulin, what's the first step?

Which biogeochemical cycle does NOT involve a stage where the chemical enters the atmosphere?

Civilizations could not develop without

Organisms that have two identical alleles for a particular trait are said to be

Miller and Urey’s experiments attempted to demonstrate

Which of the following is NOT a renewable resource?

The physical characteristics of an organism are its

A member of a population of genetically identical cells produced from a single cell is a

A situation in which a gene has more than two alleles is known as

Which of the following is characteristic of an index fossil?

Matter can recycle through the biosphere because

Which of these is most likely to bring together two recessive alleles for a genetic defect?

The conversion of a previously soil-rich area to a sandy desert is called

To be useful as an index fossil, a species must have existed for a

When oxygen was first released int eh early seas, it combined with iron to form

Which of the following human activities was NOT important in transforming the biosphere?

Offspring of crosses between parents with different traits

The combined genetic information of all members of a particular population

Compared to land, the open oceans

Which of the following is a clone?

Who observed variations in the characteristics of animals&plants on the islands of the Galapago

What processes participate in the carbon cycle?

Which of the following has a direct role in the nitrogen cycle?

Traits that are controlled by more than one gene, such as human height, are known as

Which of the following is NOT an effect of deforestation?

Most of the energy available to a consumer trophic level is used by organisms for

Which of the following includes all of the others inside of it?

a.Mutations b.Polygenic traits c.Genetic shuffling that results from sexual reproduction

The ozone is made up of

A hurricane nearly wipes out a population of insects. This is an example of a

Scientists who specialize in the study of fossils are called

One scientist who attempted to explain how rock layers form and change over time was

Which is a source of energy for Earth’s living things?

Changing the DNA of an organism is called

While the planet was in a melted state, the most dense elements formed Earth's

One of the main characteristics of a population is its

Half-life is the length of time required for half the atoms in a radioactive sample to

Sea otters are important to the populations of

Most fossils form in

The burning of fossil fuels may cause all of the following EXCEPT

Which is NOT a characteristic of the sustainable development of natural resources?

When two species reproduce at different times, the situation is called

The number of individuals of a single species per unit area is known as

A species whose population size is declining so rapidly that it could soon become extinct is

change in allele frequency that results from the migration of a small subgroup of a population:

Autotrophs are organisms that

Radioactive dating of rock samples

Different forms of a gene are called

A situation in which a population’s allele frequencies remain relatively constant is called

Groups of different species that live together in a defined area make up a(an)

Polyploidy instantly results in a new plant species because it

If a homozygous tall pea plant and a homozygous short pea plant are crossed,

A farmer’s use of the best livestock for breeding is an example of

When land development divides a habitat into isolated “islands,” the result is called

A Punnett square is used to determine the

The sum total of the variety of organisms in the biosphere is called

A bird’s wings are homologous to a(an)

Which of the following is NOT one of the factors that play a role in population growth rate?

Genetic makeup

What must occur in a population for it to grow?

The series of steps in which a large fish eats a small fish that has eaten algae is a

Slows the growth of a population

Organisms that contain genes from other organisms are called

The human population experienced exponential growth after

A random change in a small population’s allele frequency is known as

Outlines of ancient cells that are preserved well enough to identify them as prokaryotes are

According to Darwin’s theory of natural selection, the individuals that tend to survive have

A limiting factor that depends on population size is called a

Which of the following is likely to result in speciation?

What is the process by which bacteria convert nitrogen gas in the air to ammonia?

Scientists produced oil-eating bacteria by

The concept that each living species has descended, with changes, from other species over time:

In the nitrogen cycle, bacteria that live on the roots of plants

DNA can be cut into shorter sequences by proteins known as

How can a diagram of a population’s age structure predict how it can grow?

Density-independent limiting factors include

Knowing the sequence of an organism’s DNA allows researchers to

Earth’s first atmosphere contained little or no

The evolution of Darwin’s finches is an example of

What did Peter and Rosemary Grant learn about mate choice from the Galapagos finches?

What is the first step that occurred in the speciation of the Galapagos finches?

If immigration&emigration numbers stay equal,which factor is most needed for a slow growth rate

The sum total of the variety of organisms on Earth is referred to as

One similarity between natural selection and genetic drift is that both events

Used to insert new genes into plant cells

When cell transformation is successful, the recombinant DNA

The demographic transition is complete when

In organisms that reproduce sexually, inheritable variation is due mostly to