Life Science Why Do Organisms Look the Way They Do?

Life Science Why Do Organisms Look the Way They Do?

Please take time to practice on the quiz items before taking your post test.

Multiple Choice

In Cross C. Malika Cross a smooth plant with a fuzzy plant and it gave all fuzzy offspring. If you cross these fuzzy offspring with smooth plants, they will produce _____.

• All smooth plants

• All fuzzy plants

• Some fuzzy and some smooth plants

• plants with both fuzzy and smooth stalks

Multiple Select

What is a possible genotype for the plants with fuzzy stalks? Check all that apply.

• f/s

• f/f

• s/s

Multiple Choice

Which allele (fuzzy) or smooth) is dominant (stronger) in the stalk trait?

• The smooth allele is dominant

• The fuzzy allele is dominant

• The smooth allele is dominant sometimes

• Both alleles are equally dominant

Multiple Choice

Khalid and Rahim are brothers. Both of their parents have brown eyes. Khalid also has brown eyes but Rahim's eyes are grey. Which of the following explains why the bothers have different eye color?

• A. Parents who both have brown eyes always have at least one offspring with gray eyes.

• B. Offspring from the same parents always inherit the same traits.

• C. Sometimes an offspring can have a trait that neither parent has.

• D. Eye color is not an inherited trait.

Multiple Choice

Examine the pedigree on the picture. Which of the following statements best fits the data?

• A. Two parents with widow's peaks only have children with widow's peaks.

• B. Two parents with no widow's peak only have children with no widow's peak.

• C. If parents do not match on the widow's peak trait, the children will have no widow's peak.

• D. If parents do not match on the trait, the children will all have widow's peak.

Multiple Choice

What is one of the processes involved in the selective breeding that caused this phenomenon?

• A. Choosing individuals from different species to breed together.

• B. Allowing individual to reproduce without interference.

• C. Choosing individuals with desirable features.

• D. Crossing the Eurasian wolf with the red fox.

Multiple Choice

What conclusion(s) can best be drawn from the following data?

• Choosing individuals from different species to breed together.

• Allowing individuals to reproduce without interference.

• Choosing individuals with desirable features.

• D. Different temperatures have no effect on zebrafish development.

Multiple Choice

Which of the following statement can be used as a conclusion from Fig. 2, "Teh effect of sulfur dioxide pollution on the lichen coverage on trees"?

• A. Sulfur Dioxide pollution causes more lichen to grow on trees.

• B. An increase in sulfur dioxide pollution causes a decrease in lichen coverage.

• C. Lichen is an organism that releases sulfur dioxide into the atmosphere.

• An increase in sulfur dioxide pollution causes an increase in lichen coverage.

Multiple Choice

Using the information in the pedigree, what is Ravyn's genotype?

• A. AA

• B. Aa

• C. aa

• D. XY

Multiple Choice

Using the Information in the pedigree, what would be the genotype of Ravyn's father? Ravyn's genotype is aa.

• A. AA

• B. Aa

• C. XY

Open Ended

Use what you have learned about dominant and recessive alleles to explain why Ravyn is albino when neither of her parents is albino.

Multiple Choice

Lichens are organisms that are part fungus and part algae. They live on trees, turning the bark a whitish color.

• A. Abiotic

• B. Biotic

Multiple Choice

Determine which factor that birds belong.

• A. Abiotic

• B. Biotic

Multiple Choice

What factor is Air Pollution (Sulfur Dioxide)?

• A. Abiotic

• B. Biotic

Multiple Choice

What factor is Carbon Dioxide?

• A. Abiotic

• B. Biotic

Multiple Choice

What factor is weather?

• A. Abiotic

• B. Biotic

Open Ended

More recently, improved environmental policies have reduced the amount of pollution. With pollution, the trees have become lighter again.

How might the numbers of light and dark colored peppered moths change over time as the trees become lighter?

Use evidence to support your claim and explain your reasoning.

Claim - clear answer to the question

Evidence-data that supports your claim

Reasoning-shows how the the data supports the claim.