CCS Biology Final EXAM 3

intensive farming practices of the green revolution led to the use of beneficial insecticides

Mollusks are soft-bodied animals that usually have an internal or external shell

Linnaeu’s system of classification uses seven taxonomic categories

Worms and insects are both vertebrates

All of the following are threats to biodiversity EXCEPT

all roundworms

An animal that has distinct left and right sides shows

The procedure of grouping organism based on their evolutionary history is called

A major factor that negatively affects biodiversity is

Roundworms are the simplests animals to have three embryonic germ layers

Producers release carbon dioxide into the atmosphere during the process of photosynthesis

For many species, there are often regional differences in their

All the members of Kingdom Animalia are heterotrophs

An introduced species can drive an invasive species to extinction

The number of individuals per unit area is a population’s growth rate.

Biologists use a classification system to group organisms in part because organisms

An endangered species is

The exponential model of population growth accounts for the influence of carrying capacity

Which term is NOT associated with sponges?

Animals that feed on plants are called producers

Scientists classify the nitrogen, carbon, and water cycles as biogeochemical cycles

Most free-living flatworms are

The most general and largest category in Linnaeus’s system is

Many sponges protect themselves from predators by producing

Unlike plant cells, animal cells do not have

Ecologists can make predictions using ecological models

Which has become the most important source of environmental change on Earth?

Estuaries and the photic zone are areas important as breeding and nesting areas for birds

Organisms that spend their entire adult lives attached to one spot are said to be

logistic growth, population size will rise and fall an average point called carrying capacity

Earth’s natural “insulating blanket” is the biosphere

Which two kingdoms did Linnaeus recognize?

Land is a resource that provides

In taxonomy, a group at any level of organization is referred to as a

An animal is each of the following EXCEPT

Weather is the average conditions of temperature and precipitation in a particular region.

Roundworms have a digestive system

flatworms can detect changes in the amount of light in their environment using cells called

The number of individuals per unit area is a population’s growth rate.

Which cell layers give rise to muscles and the circulatory reproductive, excretory systems?

Why are fossil fuels nonrenewable?

Using renewable resources while ensuring they they are not depleted is a practice called

An organism may have different common name that vary from area to area and language to language

In the scientific version of a species name, which of the terms is capitalized?

Which of the following best describes the feeding habits of sponges?

How do the body systems of parasitic roundworms compare to those of free-living roundworms?

DDT was used to

As DDT moves up the trophic levels in food chains, or food webs, its concentration

One of the greatest threats today to biological diversity is

In biology, an evolutionary innovation is also referred to as a

In an ecological pyramid, the biomass of organisms increases at each successive level

Human activities, such as damming rivers, are density-independent limiting factors

Roundworms have a

zones of the marine biome are determined by light penetration, distance from shore, and depth