BIO 189 Mod 1
Particles that make up molecules are called
atoms
A leaf is composed of several tissues organized to work together and is a(n) ______ of a plant.
organ
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)
population
Compartments within cells that carry out specific functions are called
Organelles
What describes a community?
All the populations of different species that live in an area
The cell's genetic instructions are encoded in a molecule called ______, and these instructions are used to produce proteins and allow the cell to carry out specialized functions.
DNA
What biological level includes the living and nonliving components of a particular area?
Ecosystem
Organs are made up of ______.
Tissues
Rank the following levels of biological organization from smallest at the top to largest at the bottom
atom, molecule, organelle, cell, tissue, organ
The following lists the levels of biological organization in order from smallest to largest. Fill in the missing components: Atom, molecule, organelle,
atom, molecule, organelle, cell, tissue, organ, organ system
What are the small chemical units that can combine to form molecules?
atoms
What is the basic unit of life and consists of a membrane enclosing water, DNA, and other chemicals?
cell
What is the term for all the populations of different species that occupy the same location at the same time?
community
An area of forest, including the organisms that occupy it and the nonliving components of its area, is an example of a(n)
ecosystem
Using a process called ______, living organisms maintain a state of internal constancy or equilibrium, such as a constant range of temperatures, nutrients, or water.
homeostasis
What is a group of joined atoms, such as deoxyribonucleic acid (DNA)?
molecule
Atoms can bond together to form
molecules
What are membrane-bounded compartments within eukaryotic cells that carry out specialized functions?
organelles
A(n) ______ is a living individual that consists of one or more cells.
organism
What is a structure consisting of tissues organized to interact and carry out specific functions?
organs
What term refers to members of the same species living in the same place at the same time?
population
Organisms that make their own food by obtaining energy and nutrients from nonliving sources are called
primary producers
What statement describes a cell
the smallest unit that can be called life
______ are groups of specialized cells that function together.
tissues