× Didn't find what you were looking for? Ask a question

Recent Posts • Latest Topics • Unanswered Questions

The two tenets of natural selection are (select all that apply):

123123456

wrote...

Go to Answer

Posts: 619

Rep:

6 years ago

The two tenets of natural selection are (select all that apply):

The two tenets of natural selection are (select all that apply):

A. sexual reproduction in a population.
B. variation in a population.
C. competition in a population.
D. increasing number of members in a population.

The three main groups of known organisms include (select all that apply):

A. Bacteria.
B. Archaea.
C. Eukaryotes.
D. Fungi.
E. Prokaryotes.

Scientists currently theorize that:

A. it is possible to synthesize a simple cell similar to LUCA.
B. cells from the Archaea group are most similar to LUCA.
C. cells from the Bacteria group can be mutated so they revert to LUCA.
D. evolution created LUCA from the Archaea group.

LUCA, the last universal common ancestor, is:

A. a prehistoric protozoan cell.
B. an embryonic cell (in fetus).
C. the simplest bacterial cell.
D. a cell from which all organisms descended.

When a cell acquires a new function, it usually has acquired:

A. additional nutrients.
B. additional energy.
C. additional volume.
D. a new enzyme.

Read 52 times

1 Reply

Report

Replies

Answer verified by a subject expert

b3kglenns

wrote...

Posts: 267

Rep:

6 years ago

Report

Related Topics

123123456 Author

wrote...

6 years ago

Thanks

ethom947

wrote...

Yesterday

This calls for a celebration Person Raising Both Hands in Celebration

aznzergs

wrote...

2 hours ago

Thank you, thank you, thank you!

New Topic

Quick Reply

Explore

Post your homework questions and get free online help from our incredible volunteers

1742 People Browsing

Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook

Live Chat

Related Images

299

242

283

Your Opinion

Previous poll results: Which country would you like to visit for its food?

Courses by Biology Forums

The Toxic Skin and Fungi Defense

Strange Ingredients Lurking in Doritos Chips

Bonobos, Chimpanzees, and the 98% DNA Link

It's sore throat season, why does my mucus have red spots?

Ready to ask a question on Biology Forums? Try it out

Join Our Community

Biology Forums - Study Force is a free online homework help service catered towards college and high school students. Get homework help and answers to your toughest questions in biology, chemistry, physics, mathematics, engineering, accounting, business, humanities, and more. Master your assignments quickly with thousands of step-by-step solutions to countless textbook questions asked and answered by our members. If we don't have your question, don't worry. You can ask any homework question and get expert homework help in as little as two hours.

Our extensive online study community is made up of college and high school students, teachers, professors, parents and subject enthusiasts who contribute to our vast collection of study resources: textbook solutions, study guides, practice tests, practice problems, lecture notes, equation sheets and more. With our help, your homework will never be the same!

Join for free today

How is Biology Forums - Study Force different than tutoring?

Home Search Q & A Board Gallery Resource Library Blog Dictionary Chat	Quick Links Start a Topic Latest Topics Unanswered Questions Courses Study Tools Browse by Textbook	Social Facebook YouTube Community Stats Who's Online Trending Staff	Help About Us Take the Tour Study Tips Posting Guidelines Terms and Policies Contact Us
Biology Forums - Study Force © 2010-2024 \| Powered by SMF \| SMF © 2015, Simple Machines \| Sitemap Biology-Forums.com is not affiliated with any publisher. Book covers, title and author names appear for reference only.