Bio Final

what ideas are supported by Darwin’s observation of local variation among tortoises in the Galápagos Islands?

Fossils that show a sequence of change from one ancient formto another (like the diagram to the right) are called

Modern sea star larvae resemble some primitive vertebrate larvae. This similarity may suggest that primitive vertebrates

Which of the following is an important job of protists in ecosystems?

A symbiotic relationship in which both species benefit is

Which would be least likely to be affected by a density-dependent limiting factor?

The movement of organisms into a range is called

Using the table below, which animal likely shares the most recent common ancestor with humans?

A wolf pack hunts, kills, and feeds on a moose. In this interaction, the wolves are

Plants are

An example of a renewable resource is

Organisms that must obtain nutrients and energy by eating other organisms are

The branch of biology dealing with interactions among organisms and between organisms and their environment is called

How do bacteria cause disease?

Molecular evidence in support of natural selection includes

Living on land required that plants

The simplest animals to have body symmetry are

Demography is the scientific study of

A symbiotic relationship in which one organism is harmed and another benefits is

Which is not a way invasive species are spread?

Approximately 95% of the animal kingdom is made up of organisms lacking backbones. These organisms are referred to as

Without gas exchange, a plant would be unable to

A word that means the same thing as consumer is

seasonal drought change farmland into land that cannot support plant life it is called

Each of the following is a condition necessary for natural selection to occur EXCEPT

What does the range of a population tell you that density does not?

What organisms are found in the climax community for this ecosystem?

The depletion of the ozone layer has been attributed to chemicals known as

The lowest level of environmental complexity that includes living and nonliving factors is the

In a mycorrhizal relationship, what benefit does the plant get from the fungus?

individuals who survive are the ones best adapted fortheir environment. Their survival is due to the

A seed plant is held in the ground by its

Most of the worldwide human population is growing exponentially because

Lamarck’s ideas about evolution include the concept that differences among the traits of organisms arise as a result of

What animals eat both producers and consumers?

Primary succession would most likely occur after

Fungi can cause all of the harmful effects below except

Which type of vascular tissue carries solutions of nutrients and carbohydrates produced by photosynthesis?

For most populations that are growing, as resources start to become less available, the population

Homeostasis is a

Countries in the first stage of demographic transition have

Which of the following is NOT a threat to biodiversity?

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

The goals of biodiversity conservation include all of the following EXCEPT

Demographic transition is change from high birthrates and high death rates to

What would likely happen if the population of the bird species shown inthe picture were to suddenly decrease

Charles Darwin called the ability of an organism to survive and reproduce in its specific environment

An interaction in which an animal feeds on plants is called

A cell that contains a nucleus and membrane-bound organelles is

when a dairy fchooses to breed the cows that give the most milk in the herd the farmers are following the principle of

Using resources in way that does not cause long-term environmental harm is called

Which are two ways a population can decrease in size?

In most plants, which organs are adapted to capture sunlight for photosynthesis?

Biogeography is the study of

Which of the following tells you population density?

Organisms of the same species are capable of producing offspring that

Vascular tissue in plants consists of

The concentration of pollutants in the bodies of organisms at higher levels of the food chain is a principle known as

The movements of energy and nutrients through living systems are different because

A flexible, supporting structure found only in chordates is the

Each of the following is an abiotic factor in the environment EXCEPT

All fungi are

Viral infections can be prevented by vaccines, which are

Each of the following is a density-dependent limiting factor EXCEPT

Most protists are

Oxygen and carbon dioxide move in and out of a leaf through the

All the interconnected feeding relationships in an ecosystem make up a food

An important role of fungi in an ecosystem is

The sulfur and nitrogen compounds in smog combine with water to form

What is the basic structure of a virus?

In humans, the pelvis and femur, or thigh bone, are involved inwalking In whales the pelvis and femur shown Figure 16 r

What does cladogram analysis show about organisms?

Which of the terms best describes the number of different species in the biosphere or in a particular area?

Which of the following is a density-independent limiting factor?

Farmers can reduce soil erosion by

Which of the following descriptions about the organization of an ecosystem is correct?

Bacteria and archaea differ in

Introduced/Invasive species can threaten biodiversity because they can

A mushroom is a

One of the three main functions of stems is to

All of the following are threats to biodiversity EXCEPT

Xylem tissue is important because it

Which of the following correctlydescribes the growth curve?

The instructions for making new copies of a virus are

A bird stalks, kills, and then eats an insect. Based on its behavior, which pair of ecological terms describes the bird?

Darwin noticed that many organisms seemed well suited to

What are protists?