Unit Test III – Organisms: Unit Test III – Organisms: From Macro to MicroFrom Macro to Micro

REVIEW!!!REVIEW!!!

Imagine that you are trying to find Imagine that you are trying to find out if honey, ketchup, or maple out if honey, ketchup, or maple syrup is the best food for yeast. syrup is the best food for yeast. What should be held constant What should be held constant

during the experiment?during the experiment?

a.a. The amount of yeast in each sampleThe amount of yeast in each sample

b.b. The temperature of each sampleThe temperature of each sample

c.c. The amount of food in each sampleThe amount of food in each sample

d.d. All of the aboveAll of the above

Daphnia Daphnia is classified as is classified as an arthropod chiefly an arthropod chiefly

because it has—because it has—

a.a. a transparent coveringa transparent coveringb.b. gillsgillsc.c. jointed limbsjointed limbsd.d. a hearta heart

Hydra’s Hydra’s most common most common method of reproduction ismethod of reproduction is

——

a.a. BuddingBuddingb.b. regenerationregenerationc.c. fragmentationfragmentationd.d. sexual reproductionsexual reproduction

Bread mold tends to develop more Bread mold tends to develop more quickly when which of the quickly when which of the following combination of following combination of

environmental conditions exists:environmental conditions exists:

a.a. Cool temperature, light, moistureCool temperature, light, moisture

b.b. Warm temperature, light, moistureWarm temperature, light, moisture

c.c. Warm temperature, darkness, dryWarm temperature, darkness, dry

d.d. Warm temperature, darkness, moistureWarm temperature, darkness, moisture

In pea plants, the gene for green In pea plants, the gene for green seeds (G) is dominant over the seeds (G) is dominant over the gene for yellow seeds (g). How gene for yellow seeds (g). How

is the genotype for the is the genotype for the heterozygous condition written?heterozygous condition written?

a.a. GreenGreen

b.b. GgGg

c.c. YellowYellow

d.d. GGGG

The illustrations on the next The illustrations on the next slide show the four stages in slide show the four stages in the succession of a pond, but the succession of a pond, but they are out of order. Which they are out of order. Which of the following answers lists of the following answers lists

the correct sequence?the correct sequence?

a.a. A,B,C,DA,B,C,D

b.b. B,A,C,DB,A,C,D

c.c. D,B,A,CD,B,A,C

d.d. C,A,B,DC,A,B,D

Things that are too small to be Things that are too small to be seen with a microscope may seen with a microscope may

be viewed with a(n) __.be viewed with a(n) __.

a.a. compound light microscopecompound light microscope

b.b. electron microscopeelectron microscope

c.c. magnifying lensmagnifying lens

d.d. simple microscopesimple microscope

A group of cells working A group of cells working together to perform a together to perform a

certain function is certain function is a(n)_____.a(n)_____.

a.a. organ systemorgan system

b.b. organorgan

c.c. tissuetissue

d.d. organismorganism

How does the hydra obtain its How does the hydra obtain its food?food?

a.a. engulfs its food by stretching out its engulfs its food by stretching out its pseudopodspseudopods

b.b. stings the prey with its nematocysts stings the prey with its nematocysts and then force the pray into its and then force the pray into its digestive cavitydigestive cavity

c.c. makes its own food through the makes its own food through the process of photosynthesisprocess of photosynthesis

d.d. all of the aboveall of the above

Which organism is Which organism is nicknamed “water flea”?nicknamed “water flea”?

a.a. DaphniaDaphnia

b.b. HydraHydra

c.c. WOWBugWOWBug

How many chromosomes does How many chromosomes does each human parent contribute each human parent contribute

during fertilization?during fertilization?

a.a. 22

b.b. 2323

c.c. 23 pairs23 pairs

Which of the following is Which of the following is most likely a symbol for most likely a symbol for

a a genotypegenotype??

a.a. FGFG

b.b. EeEe

c.c. PFPF

A Punnett square tells youA Punnett square tells you

a.a. which genes are dominant.which genes are dominant.

b.b. how to be sure your offspring gets how to be sure your offspring gets the traits you want.the traits you want.

c.c. the probability (chance) of certain the probability (chance) of certain genotypes occurring in the genotypes occurring in the offspring.offspring.

If a dogs sex cells have 39 If a dogs sex cells have 39 chromosomes, how many chromosomes, how many

chromosomes does its body chromosomes does its body cells have?cells have?

a.a. 7878

b.b. 3939

c.c. 19.519.5

Which is NOT true of asexual Which is NOT true of asexual reproduction?reproduction?

a.a. The offspring have DNA that is The offspring have DNA that is different from that of the parentdifferent from that of the parent

b.b. Budding is an exampleBudding is an example

c.c. It requires only one parentIt requires only one parent

d.d. It is the blackworm’s most common It is the blackworm’s most common method of reproductionmethod of reproduction

Yeast cells produce alcohol Yeast cells produce alcohol and carbon dioxide during and carbon dioxide during

the process of – the process of –

a.a. FermentationFermentation

b.b. RespirationRespiration

c.c. TranspirationTranspiration

The study of classification The study of classification is called – is called –

a.a. GroupingGrouping

b.b. AgrogamyAgrogamy

c.c. TaxonomyTaxonomy

d.d. GeometryGeometry

A human body cell A human body cell has –has –

a.a. 23 single chromosomes23 single chromosomes

b.b. 23 pairs of chromosomes23 pairs of chromosomes

c.c. 46 pairs of chromosomes46 pairs of chromosomes

The blackworm needs The blackworm needs blood to –blood to –

a.a. Digest its food.Digest its food.

b.b. Transport nutrients and waste.Transport nutrients and waste.

c.c. Make energy from food.Make energy from food.

d.d. Give its body shape and support.Give its body shape and support.