31) Which of the following an adaptation that helped plants : 1380863

31) Which of the following an adaptation that helped plants : 1380863.



31) Which of the following is an adaptation that helped plants move from aquatic environments to the land?

A) seeds

B) a cuticle

C) pollen

D) swimming sperm


32) An advantage allowing the seed plant to greatly surpass the seedless vascular plants in colonizing the land was the evolution of:

A) large leaves with great surface area.

B) fibrous root systems.

C) air-dispersed sperm in pollen grains.

D) durable, water-resistant spores.


33) One advantage of angiosperms over gymnosperms is that angiosperms have evolved:

A) more efficient means of pollination.

B) more water-resistant leaves.

C) stronger vascular tissue.

D) better protection from plant pathogens such as fungi.


34) During the Silurian, the oxygen gas concentration in the atmosphere is postulated to have reached an amount equivalent to more than 10 percent of its present-day concentration. Thus, nearly all lethal ultraviolet radiation was unable to reach the Earth’s surface, making dry land available for newly evolved forms. Which of the following major events in the evolution of animals and plants probably occurred at this time?

A) The amphibians developed watertight skins and eggs.

B) The crayfish become the first land organisms.

C) The first major groups of seed plants appeared.

D) Primitive bryophytes and fern-like plants appeared.

35) Which of the following is a correct sequence of events in the history of life on Earth?

A) aquatic organisms, photosynthesis, RNA world, land organisms

B) prokaryotes, eukaryotes, land animals, land plants

C) Cambrian explosion, multicellular organisms, photosynthesis, eukaryotes

D) prokaryotes, photosynthesis, eukaryotes, land organisms


36) Some of the earliest animals to successfully adapt to life on land were the:

A) trilobites.

B) arthropods.

C) amphibians.

D) aquatic vertebrates.


37) Which of the following is assumed to be more primitive than a dinosaur and more complex than a shark?

A) segmented worm

B) crayfish

C) starfish

D) frog


38) An adaptation of arthropods that made them well adapted for life on land was an exoskeleton that can:

A) provide camouflage.

B) prevent water loss.

C) overcome the effects of gravity.

D) protect against predators.


39) Which group of vertebrates possessed an anatomical feature that made evolution of the limbs of all tetrapods possible?

A) reptiles

B) sharks

C) amphibians

D) lobe-finned fish

40) Early mammals differed from reptiles in many respects, including:

A) the number of legs used for walking.

B) feeding their young milk.

C) eating other organisms for food.

D) internal versus external fertilization.



31) Which of the following an adaptation that helped plants : 1380863

Get a Quick Quote

Approximately 250 words
Total price (USD) $: 10.99

Let us do the hard and easy stuff in nursing for you

Find an experts in Nursing Papers and kickstart your grades today with NursingPapersLib.com

Best nursing assignment writers

It is easy to promise the availability of help with nursing assignments but without the best nursing assignment writers in the industry, such promises can turn out to be hot air. Our expert nursing writing services feature seasoned professionals who have been providing nursing writing help and consultation services for a long time. Irrespective of the year of study or practice students are involved in, the best nursing assignment writers know the nuances of nursing student’s needs. There is no better way to assure you of the best nursing writing services than providing nursing writing help from peers who are ahead of you and have only the best interests at heart. Only the best nursing assignment writers will handle your request for the best nursing writing service because your communication can get through to them. Knowing the potential nursing writing help that you seek from the way you frame your request is the hallmark of a writer who provides expert nursing writing services. This is because, with their knowledge, there is likely less room for misunderstood requests when you are seeking the best nursing writing service you need.

How it Works

Place an Order

Provide your contact information, select an order type, and describe your requirements. This isn’t going to take long!

Image showing step 1 of making an order
Image showing how to make payment for your order

Select an Appropriate Writer

We’ll match your specifications with our available authors after we have all of the relevant information concerning your order.

Image showing how to download your completed results

Enjoy the End Product

One of our specialists will fulfill your purchase according to your specifications so that you are happy with the end result.

Why Choose us?

Free Revisions

We understand that not always out tutors could catch all details required which arises a s a result of miscommunication or inadequate information provided. However, we are always eager to provide you with free revisions till we get it right with your Nursing Papers.

Quality Non-plagiarized Nursing Papers

Our Professional Team of Nursing Writers always adhere to quality standards and plagiarism policy. Furthermore, we employ Quality Control Tools to ensure you get Custom Written Nursing Paper. Every paper is reviewed by an independent editor for syntax errors before submission

Professional Nursing Writers

At NursingPapersLib.com, we specialize in Nursing Homework Help Services only. Thus, this allows us to cater to our nursing students and get high qualified nursing tutors who will deliver exceptional results in nursing papers

Flexible Pricing

We always endear to provide best prices that matches our quality and your budget. This is why we provide a pricing mechanism based off several factors such as length, level of education and type of assignment. our pricing are highly competitive across the industry standard prices.