Evolution Online ReviewName:

Date:Pd:

Directions: The following lessons (or segments of lessons) were generated by students like you!

Chapter 10Donated by Chris T.

On Classzone.com, go to Assessments, Section Quizzes, Chapter 10 complete the following:

10.1

  1. Did scientists in the 1700’s believe that fossils were traces of organisms that lived in the past? Why or why not?
  1. What is catastrophism?
  2. Two individuals from the same species must be able to ______and have ______offspring.
  1. What is Linneas known for?
  1. What is the big idea of evolution that is commonly supported by today’s scientists?

10.2

  1. Tortoises of the Galapagos Islands had adaptations for the ______and ______.
  1. An adaptation is a(n):
  1. Galapagos finches had adaptations to :
  2. What is some evidence that demonstrates that earth is older then 6000 years?

5. An adaptation seen in Finches for eating bark insects was:

10.3

  1. A population is:
  2. (True/False)Animals with better fitness levels are able to survive and produce more offspring.
  1. Natural selection (can/cannot) cause variations in populations.
  1. What is fitness?

10.4

  1. Homologous structures are feature that are similar in ______but different in ______.
  2. Fossils, anatomy, and embryology are evidence of:
  1. A bird wing and an insect wing are______structuresbecause:

Go to chapter 10 Animated Biology, click on Natural selection.

  1. What is natural selection?
  1. The four factors that must work together for natural selection to occur are ______, heritability, ______, and ______.
  1. If there is no ______within a population, there will be no new trait on which natural selection can act.
  2. (True/False)An adaptation does not allow an individual better survival over another in a population.
  3. Define selective pressure. Give an example.
  4. Complete the activity. Where you able to produce more fish with notched tail fins. If so, How?

Go to Donated by Amelia D.

  1. What did birds originally evolve from?
  2. There were ______species of feathered dinosaurs found in china recently that evolved between: ______and ______.
  3. What evolutionary advantage was given to birds? Why do penguins not have the adaptation? What adaptations take its place?
  4. List 4 extraordinary bird adaptations?
  5. List three effects humans have on bird evolution.
  6. Why do some birds go extinct while others do not? Give examples of how birds live with man.

Go to Donated by Monica P.

  1. As ______and other bird species evolved over time, they developed a variety of traits and skills beneficial to both the birds themselves and to continuation of their species.
  2. The vast array of hummingbird species in an example of the result of these ______processes.
  3. Certain birds have developed ______allowing them to feed at particular flowers, others have cultivated brightly colored plumage and yet others are known for the exceptional skills at navigations.
  4. Many highly skilled bird behaviors are innate. What does “innate” mean?
  5. Scientist often does not know how these skills have been acquired in the population, except to note that these ______became advantageous for the birds as their ______evolved in their respective environments.
  6. Watch the video called “A Variety of Hummingbirds.” How can the hummingbird hover mid air?

Across the top of the page, select “Episodes” and then “by animal”. Select “Crocodiles” and then “Supersize Crocs.” On the right hand side of the page select “Crocodile Secrets of Survival.”

  1. Though the crocodile’s ______dates back ______, the crocodile, as we know it today first evolved about ______years ago.
  2. With few natural predators, a permanent armor of______covering most of its body and strong ______muscles capable of crushing anything from bones to cast iron, the croc is extremely ______and robust creature.
  3. What is one of the keys to survival for the crocodile?
  4. Crocodiles have developed behaviors to control their body ______: they bask in the sun when cool and seek shade or water when hot?
  5. A croc’s ______is so evolved that its body uses and stores nearly the entirety of the food it consumes.
  6. Larger crocodiles will eat larger ______and ______, but they will also eat fish and mollusks like ______.

Chapter 11Donated by Taylor Q.

On classzone.com, click on Biozine. Type ‘The Curious Case of the Platypus’ into the search bar at the top of the page.

  1. Animals, such as the platypus, classified as ______, are mammals that lay eggs.
  2. Some characteristics of a platypus body include ______,______and a horizontally flattened______.
  3. Both ______and ______platypuses are born with a spur.
  4. Why do males have spurs?
  5. The surface of a platypus’s bill is packed with ______electroreceptor and _____mechanoreceptors.
  6. Scientist compared the genome of a platypus with the genomes of which animals? (LIST 3)
  1. Characteristics such as egg-laying and venomous spurs were found to have origins in ______ancestors.
  2. Characteristics such as fur, milk production and a strong sense of smell were found to be consistent with ______ancestors.

Go to Assessment, Section Quizzes, Unit 4: Evolution. Complete the chapter 11 Section assessments (Skip 11.4) and answer the following questions.

11.1Donated by Bennet M.

1. Does a mutation in a body cell change the genetic variation in the gene pool? Why or why not?

2. What is the frequency of a recessive allele for flower color in a population of 100 plants? (Twenty plants are homozygous dominant, 60 plants are heterozygous, and 20 are homozygous recessive.)

3. Where does genetic variation come from?

a. Mutation only b. both mutation and recombination c. recombination only d. mitosis only

11.2

1. Where is the most common phenotype found in a normal distribution?

2. Which type of selection is antibiotic resistance in bacteria?

2. (True/False) Microevolution occurs in a single population.

11.3

1. Is the following statement an example of gene flow? (Yes/No)

“A squirrel builds a new nest on another branch of the same tree as the old nest.”

2. How are the bottleneck and founder effect similar?

Different?

3. How might gene flow benefit a small population?

11.5

1. The formation of two species from one existing species is ______.

2. Why are chemical scentsbehavioral barriers?

3. Is this statement an example of temporal isolation?(Yes/No)

“Two populations of meadowlarks do not mate because they have different songs.”

11.6

1. Over many generations of lizards, the ______for green skin color has increased in frequency. What will eventually happen to the lizard population if all the grass dies and bare soil ______in the future?

2. How do convergent and divergent evolution differ?

Click on Biozine. Find “Drug-resistant Bacteria – A Global Health Issue”in the left sidebar and click it. Read the article and answer the following.

Donated my Marika T-R

  1. What is Staphylococcus aureus?
  1. What makes athletes more vulnerable to staphs?
  1. Doctors would prescribe antibiotics like ______, which killed the staph bacteria. Ordinary staph infections (can/cannot) still be treated this way.
  2. What is “drug-resistant bacteria”?
  1. Antibiotics kill the ______bacteria, leaving behind the more resistant bacteria to survive and ______.
  2. When resistant bacteria reproduce, resistant genes are passed on to their ______.
  3. In six hours, one cell can produce as many as
  4. 500,000 offspring ii. 100 offspring iii. 67 offspring iv. no offspring.
  5. In your opinion and based on your knowledge from the article, how do antibacterial soaps and household cleaners contribute to the evolution of drug-resistant bacteria?

Go to Animated Biology, Chapter 11, click on “Mechanisms for Evolution”. Follow along with the simulation and answer the following questions: Donated by Christie S.

  1. What are the five processes that can lead to evolution within a population?
  1. After a bottleneck event, only ______and ______alleles remain in the small population.
  2. Green alleles (increase/decrease) in frequency due to (emigration/immigration). Orange alleles (increase/decrease) in frequency due to (emigration/immigration).
  3. In mutation, why does red body color give the individual an advantage?
  1. What color allows individuals to blend in with their environment?
  2. Red b. orange c. green d. blue e. purple f. white
  3. Why do the blue alleles increase in frequency?

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