CCS Biology Final EXAM 3

An endangered species is

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

Roundworms have a

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

Many sponges protect themselves from predators by producing

Why are fossil fuels nonrenewable?

An animal that has distinct left and right sides shows

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

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

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

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

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

Worms and insects are both vertebrates

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

Which term is NOT associated with sponges?

DDT was used to

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

All the members of Kingdom Animalia are heterotrophs

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

One of the greatest threats today to biological diversity is

For many species, there are often regional differences in their

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

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

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

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

all roundworms

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

Land is a resource that provides

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

Earth’s natural “insulating blanket” is the biosphere

An animal is each of the following EXCEPT

Ecologists can make predictions using ecological models

Roundworms are the simplests animals to have three embryonic germ layers

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

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

Animals that feed on plants are called producers

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

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

Unlike plant cells, animal cells do not have

Most free-living flatworms are

All of the following are threats to biodiversity EXCEPT

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

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

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

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

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

Linnaeu’s system of classification uses seven taxonomic categories

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

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

Roundworms have a digestive system

An introduced species can drive an invasive species to extinction

Which two kingdoms did Linnaeus recognize?

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

A major factor that negatively affects biodiversity is