Chapter 1: Scientific Study of Life

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What describes a community?

All the populations of different species that live in an area.

In ________ reproduction genetic information comes from only one parent; whereas, in _______ reproduction, genetic information from two parents unites to form an offspring.

Asexual Sexual

Organs are made up of: Organ systems Ecosystem Organisms Tissues

Tissues

Evolution is:

A change in the genetic makeup of a population over time.

What term refers to all parts of the planet that can support life? Habitat Biosphere Population Community

Biosphere

What is the basic unit of life and consists of a membrane enclosing water, DNA, and other chemicals?

Cell

The following lists the levels of biological organization in order from smallest to largest. Fill in the missing components: Atom, Molecule, Organelle, _______, Tissue, _______, Organ system.

Cell Organs

The cell's genetic instruction's are encoded in a molecule called _________, and these instructions are used to produce proteins and allow the cell to carry out specialized functions.

Deoxyribonucleic acid (DNA)

What biological level includes the living and nonliving components of a particular area? Population Ecosystem Biosphere Community

Ecosystem

Select all the characteristics of life: Evolution Homeostasis, or maintenance of internal constancy Solubility in water Organization Energy use Reproduction, growth, and development

Evolution Homeostasis, or maintenance of internal constancy Organization Energy use Reproduction, growth, and development

_______ characterized by cellular organization, energy requirements, homeostasis, reproduction, growth, development, and evolution. Life Water A chemical element A molecule

Life

Select all of the following that are organisms. Plant Bacterial cell Fungus Deoxyribonucleic acid (DNA)

Plant Bacterial cell Fungus

If a bone is an example of an organ, then al of the bones in the body are part of a(n) organ:

System

If a bone is an example of an organ, then all of the bones in the body are part of a(n) organ _________.

System

What describes the state of internal constancy maintained by an organism? Development Homeostasis Reproduction Evolution

Homeostasis

What is a group of joined atoms, such as deoxyribonucleic acid (DNA)? Molecule Atom Cell Tissue

Molecule

Multiple organs are linked together into: Organelles Molecules Organ systems Populations

Organ systems

What are the small chemical units that can combine to form molecules? Atom Tissue Ecosystem Organelle

Atom

Rank the following levels of biological organization from smallest at top to largest at the bottom:

Atom Molecule Organelle Cell Tissue Organ

All organisms use _______ to fuel growth and to sustain homeostasis, a process that maintains internal.

Energy

Which of the following is required for evolution by natural selection to occur?

Genetic variability within a population

Energy is lost from an ecosystem in the form of _______ during energy transfers. Cells Adaptation Heat Natural selection

Heat

Atoms can bond together to form:

Molecules

What is a structure consisting of tissues organized to interact and carry out specific functions? Molecule Organ Atom Cell

Organ

___________ are membrane-bounded compartments within eukaryotic cells that carry out specialized functions; one example is a chloroplast.

Organelles

Consider a species of frog that lives in many ponds throughout central California. A group of the frogs in one of the ponds, NOT including the other species of organisms living there, is an example of a(n): Ecosystem Population Organelle Community

Population

What term refers to members of the same species living in the same place at the same time? Organism Population Biosphere Ecosystem

Population

Match each category of organisms with their method of obtaining energy. Producer Consumer Decomposer

Producer - Autotroph that obtains energy and nutrients from nonliving sources. Consumer - Heterotroph that obtains energy and nutrients by eating other organisms. Decomposer - Heterotroph that obtains energy and nutrients from wastes and dead organisms.


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