Ask Question, Ask an Expert


Ask Biology Expert

describe Basics of Evolution

1. Transitional forms are seen in the fossil record that link all of these groups EXCEPT

A) birds and reptiles.

B) reptiles and amphibians.

C) fish and amphibians.

D) mammals and reptiles.

E) mammals and birds.

2.Anatomical features that are reduced and functionless in organisms but related to  functional organs in related organisms are termed

A) vestigial.

B) homologous.

C) analogous.

D) polygenic.

E) sympatric.

3.A random alteration in the sequence of DNA nucleotides that provides a new variant allele is

A) disruption.

B) polymorphism.

C) gene frequency.

D) gene mutation.

4. Which of the following conditions contributes to evolution?

A) mutations

B) gene flow

C) genetic drift

D) natural selection

E) all of the above

5. The raw material for evolutionary change is

A) genetic mutation.

B) genetic drift.

C) gene flow.

D) nonrandom reproduction.

E) natural selection.

6. Which of these is the most accurate description of a virus?

A) a noncellular eukaryote

B) one of the smallest bacteria known

C) a member of the kingdom Virusae

D) a cell at the boundary between living and nonliving things

E) replicating  complexes of RNA or DNA protected by protein

7. Bovine spongiform encephalopathy (BSE) or "mad cow disease" is caused by an

A) archeon.

B) bacterium.

C) cyanobacterium.

D) prion.

E) virus.

8. Single celled eukaryotes belong to the kingdom

A) Prokaryotae.

B) Protista.

C) Fungi.

D) Plantae.

E) Animalia.

9. The three shapes of bacteria are

A) haplontic, diplontic, and alternations.

B) anaerobic, aerobic, and facultative.

C) heterotrophic, autotrophic, and chemosynthetic.

D) bacillus, coccus, and spirillum.

10. A new classification by domains separates traditional bacteria into

A) Archaea and Cyanobacteria.

B) Bacteria and Cyanobacteria.

C) photosynthetic bacteria and chemosynthetic bacteria.

D) Archaea and Bacteria.

E) autotrophs and heterotrophs


Biology, Academics

  • Category:- Biology
  • Reference No.:- M916691

Have any Question? 

Related Questions in Biology

Case explain the activation and function of b cells in

Case : Explain the activation and function of B cells in body defences. What are the mechanisms of antibody actions which support immunity? How does HIV infection impair the body's ability to produce antibodies? Assignme ...

Human biologydiscussion 1- identify and compare the two

Human Biology Discussion 1- Identify and compare the two major cardiovascular circuits in the human body. Include the purpose of each and the organs involved. Do not cut and paste information from the text or other sourc ...

Microscope lab-in our world cells come in two basic

Microscope Lab- In our world Cells come in two basic types- Prokaryotic Cells - Bacterial & Archaea Eukaryotic Cells - Plant, Animal, Protist, and Fungi (Yeasts are single celled fungi) ...

Biologygo to httpwwwecfrgovwrite again in essayparagraph

Biology Go to: Write again in essay/paragraph format with the question content incorporated into the sentences and not written separately. 1- Go to Title 40. What is the title of CFR 40? 2- Go to par ...

The scientific language of god assignmentthree parts if

The Scientific Language of God Assignment Three parts if this assignment to submit on Blackboard 1. Write a 3-4 sentence executive summary for each of the following three article links- (That means a paragraph on each of ...

What type of solution is 10 dextrose to the

What type of solution is 10% dextrose to the cell?  Assuming dextrose is a non penetrating solute, in which direction will net diffusion occur (into the cell; out of the cell; no movement?

Discussion questioninstructionsits great to be able to

Discussion Question Instructions It's great to be able to gather data for the purpose of research. We have many methods of doing so. Once we receive the data, it needs to be analyzed and interpreted. When we display the ...

Biology assignmentdiscuss any factor that enhances physical

Biology Assignment Discuss any factor that enhances physical development in chidren under age 8 a page. no need for formatting.

Biology assignmentwatch this video Biology Assignment Watch this video first

Biology Assignment Watch this video first Part II. Fill-in You are now studying the process of mitosis in the simple organism, R. catus, andhave prepared microscope slides of f ...

Experiment answer sheetsummary of activities for week 6

EXPERIMENT ANSWER SHEET SUMMARY OF ACTIVITIES FOR WEEK 6 EXPERIMENT ASSIGNMENT • Experiment 6 Exercise 1 - Monhybrid Crosses • Experiment 6 Exercise 2 - Dihybrid Cross • Experiment 6 Exercise 3 - Inheritance of Human Tra ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate