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Biology unit 1

Total questions: 26

Worksheet time: 13mins

Name
Class
Date
1.

Define autotroph

a)

Basic building blocks of protein molecules

b)

Chemical reactions that do not require the presence of oxygen

c)

Organisms that use energy from the sun or energy stored in chemical compounds to manufacture their own nutrients

2.

Define Animalia

a)

Number of live births per 1000 population in a given

b)

that one of the basic groups of living things that comprises either all the animals or all the multicellular animals — compare animal kingdom, plantae, protista.

c)

Basic building blocks of protein molecules

3.

Define biomial Nomenclature

a)

Two worded system developed by Carolyn Linnaeus to name species; first word identifies the genus of the organism, the second word is often a descriptive word that describes a characteristic of the organism.

b)

A single cytoplasmic extension of a neuron; carries away from a nerve cell

c)

Anything an animal does in response to a stimulus in its environment

4.

Define classification

a)

All the living organisms that inhabit an environment

b)

Grouping of objects or information based on similarities

c)

Field of biology that studies methods and implements plans to protect biodiversity

5.

Archaebacteria

a)

Chemosynthetic prokaryotes that live in harsh environments, such as deep sea vents and hot springs

b)

Chemical reactions that do not require the presence of oxygen

c)

And it’s a buck a hmmm it’s a buck a hmmm bye

6.

Define class

a)

Grouping of objects or information based on similarities

b)

Taxonomic grouping of similar orders

c)

Mircochondria is the power house of cells

7.

Define cell

a)

Basic unit of all organisms; all living things are composed of cells

b)

When members of a species are held by people in zoos or other conservation facilities

c)

grouping of objects or information based on similarities

8.

Define Electron microscope

a)

Cellular framework found within the cytoplasm composed of micro tubules and microfilaments

b)

Instrument that uses a beam of electrons instead of light to magnify structures up to 500,000 times actual size; allows scientists to view structures within a cell

c)

Abiotic factor is not Alive

9.

Define external fertilization

a)

Growth pattern where a population grows faster as it increases in size; graph of a exponentially growing population resembles a J-shaped curve

b)

In fishes, fan shaped membranes used for balence, swimming and steering

c)

Biotic factor is a living organism

10.

Define Placenta

a)

organ that provides food and oxygen to and removes waste from young inside the uterus of placental mammals

b)

Molecule with unequal distribution of charge resulting in the molecule having a positive end and a negative end

c)

Taxonomic grouping of similar classes

11.

Protist

a)

Algae

b)

Bacteria

c)

Soil

12.

Define plantae

a)

Plant

b)

Fungí

c)

Soil

13.

Define tropism

a)

Growth response is a plant to an external stimulus

b)

Muscle that contracts under conscious control

c)

Marrow composed of stored fats found in many bones

14.

Define taxonomy

a)

Growth response of a plane to an external stimulus

b)

Branch of biology that groups and names organisms based in studies of their shared characteristics; biologists who study taxonomy are called taxonomists

c)

Thick bands of connective tissue that attach muscles and to bones

15.

Define spore

a)

Smooth muscle bag that stores urine until it’s expelled from the body

b)

Type of haploid reproductive cell with a hard outer coat that forms a new organism without the fusion of gametes

16.

Define Dichotomous key

a)

a key for the identification of organisms based on a series of choices between alternative characters.

b)

An animal with no body cavities

c)

Abiotic is a nonliving factor

17.

Define kingdom

a)

Taxonomic grouping of similar phyla or divisions

b)

in insects, the free-living worm like stage of metamorphosis, often called a caterpillar

c)

Genetic map that shows the location of genes on a chromosome

18.

Define phylum

a)

Small cell fragments in the blood that help blood clot after an injury

b)

Molecules that absorb specific wavelengths of sunlight

c)

taxonomic grouping of similar classes

19.

Define order

a)

A taxonomic rank used in classifying organisms, generally below the class, and comprised of families sharing a set of similar nature or character.

b)

) A taxonomic group of one or more genera, especially sharing a common attribute.

20.

Define Genus

a)

Alteration of allergy c frequencies in a population by chance events; results in disruption of generic equilibrium

b)

first word of a two-part scientific name used to identify a group of similar species

c)

All of the alleles in a population’s genes

21.

Define prokaryote

a)

Unicellular organisms, such as bacteria, each of which is composed of a prokaryotic. Well. Prokaryotic cells lack internal membrane bound structures

b)

Large molecule formed when many smaller molecules bond together.

c)

Collection of dead marcophages and body fluids that form in infected tissues

22.

Define eukaryotic

a)

Procedure that tests a hypothesis by collecting information under controlled conditions

b)

Unicellular or multicellular organisms, such as yeast, plants, and animals, composed of eukaryotic cells, which contain a true nucleus and membrane blind organelles

c)

Fusion of male and female gametes

23.

Define heterotrophs

a)

Movement of individuals into a population

b)

Organisms that cannot make their own food and must feed ok other organisms for energy and nutrients

c)

Organism that is permanently attached to a surface

24.

Total magnification

a)

traits controlled by genes located on sex chromosomes

b)

Growth and response of a llame to an external stimulus

c)

For total magnification multiply the ocular power (10x) times the objective lens that is in place.

25.

Define compound light microscope

a)

When the population of a species is likely to become endangered

b)

Instrument that uses light and a series of lenses ro

magnify objects in steps, can magnify an object up to 1500 times it’s original size

c)

It’s an experiment, the standard against which results are compared

26.

Define sucking

a)

Substance composed of atoms of two or more different elements that are chemically combined

b)

Period of inactivity in a mature seed prior to germination

c)

sucking milk out of mammal