Biology Semester 1

Which are goals of science?

A series of steps in which organisms transfer energy by eating and being eaten.

Which of the following must be true for diffusion to occur?

When one or more electrons are transferred from one atom to another.

Limiting factors determine the immigration capacity of a population. 

Which is the best definition of ecology?

 Unicellular prokaryotes, called bacteria , are adapted to living in a remarkable number of different places.

The diagram shows:

The industrial revolution caused a sharp decrease in human population growth.

Photosynthesis, cellular respiration and human activities such as burning are part of the

Climate, precipitation, landmasses, wind currents are all

An organized way of gathering and analyzing evidence about the natural world.

An aphid providing food to an ant in exchange for protection.

Occurs when population growth slows and then stops after a period of exponential growth has occurred.

Cytoplasm

 To respond to chemical signals, a cell must have a(n) __________ to which the signaling molecule can bind.

Biology is the study of

Unequal distribution of the sun’s heat on Earth’s surface results in 3 main climate zones: polar, temperate, tropical

centrioles

A hydrogen bond is stronger than a covalent bond.

The main energy source for living things.

When electrons are shared between atoms.

Competition is an example of a limiting factor. 

A lion eating a zebra is an example of  

It causes water molecules to be drawn together, producing surface tension.

Nucleus

cell wall

amino acids are the monomers of

Organisms that capture energy from sunlight or chemicals & use that energy to produce food.

organ

store and transmit hereditary (genetic) information

Deep ocean currents are caused by the sinking of warm water near the poles.

Provides for human needs while preserving the ecosystems that provide renewable resources.

All the organisms living in a particular place, together with their physical environment.

mitochondria

Invention of the _________ made the discovery of cells possible. 

Intermolecular forces of attraction between polar molecules.

Process by which chemical energy is used to produce carbohydrates.

How the individuals are spaced in their range is a population’s ____________________. 

The diagram below illustrates the

golgi apparatus

A pond with all of the species living together in this one location would be a good example of a(n)

Which is the correct order of science methodology?

Which is NOT a subatomic particle?

All cells are surrounded by a cell wall. 

The sum of all the genetic diversity among all the organisms in the biosphere.

Electrons have a

ribosomes

Well-tested explanation of observations about nature that help scientists make predictions about nature

Consists of adenine, the sugar ribose, and three phosphate groups. 

 A harmful material that can enter the biosphere.

 A range of conditions under which an organism can grow and reproduce.

The variable you change in an experiment:

Atoms of the same element that differ in the number of neutrons they contain.

lysosome

nucleotides are the monomers of

vacuoles

endoplasmic reticulum

Freshwater wetlands purify water by ____________ pollutants.

The first species to live in an area of primary succession.

The nucleus of an atom contains electrons and protons.

Estuaries form where

 No two species can occupy exactly the same niche in exactly the same habitat at the same time.

Which is not part of the cell theory?

 ATP releases energy when it ______________ bonds between its phosphate groups.

 He used the term "cell" to refer to the tiny empty chambers he saw when he observed magnified cork.

Assemblage of individuals of the same species living in the same area.

Chloroplasts are never found in animal cells. 

Population density is the ___________ of individuals per unit area. 

The trapping of heat by gases in the atmosphere.

control rate of reactions, regulate cell processes, form cell structures, carry substances in & out of cells

Earth’s curvature causes different __________ to receive less or more intense solar energy.

The diagram illustrates a(n)

Biome with cold, dark winters and short, soggy summers; permafrost

Group of terrestrial regional climate communities characterized by soil type, climate, & plant & animal life

Some bacteria convert nitrogen gas into ammonia, animals eat the ammonia, then make it available to plants.

Eukaryotic cells

A keystone species is one that  

a protein that speeds the rate of a chemical reaction

An organism that feeds by chemically breaking down other organisms.

cytoskeleton

The condition of Earth’s atmosphere at a particular time and place. 

store energy and form parts of biological membranes and waterproof coverings

chloroplast

Which is NOT a characteristic of life?

The relatively constant internal physical and chemical state of a living cell. 

A barnacle living on a whale’s skin 

phospholipid bilayer

Kelp forests and coral reefs are found in

Any living part of an environment.

 The place where a species lives.

Energy is the ability to do work.

Physical and biological conditions in which a species lives & the way the species obtains what it needs to survive.

Changes in zooplankton populations, small marine animals that eat algae, don't affect all animals in a marine food web.

Cellular respiration occurs in

Organelles

What effect do carbon dioxide and methane have on Earth’s temperature?

 The ____________ is the area in which a population lives.

Average condition of temperature & precipitation in a region over long periods.

the process in which water evaporates from the leaves of plants.