In what way are seed plants and reptiles similar? a) They can reproduce without
ID: 213881 • Letter: I
Question
In what way are seed plants and reptiles similar?
a) They can reproduce without relying on water.
b) They have alternation of generations
c) They both prevent desiccation with the development stomata
d) They rely on external agents for dispersal of young.
e) All of the alternatives are correct
A fossil species of terrestrial reptile is unearthed from the same time horizon in eastern South America and western Africa. What is the most likely explanation for the geographic distribution of this species?
a) This species lived during a time when South America and Africa were adjacent regions of a supercontinent.
b) There was a land bridge between South America and Africa when these animals were alive.
c) These reptiles were extremely good swimmers and migrated from Africa to South America.
d) A violent storm washed a mass of floating debris containing a pregnant female of this species into the ocean off the coast of eastern South America; she found her way to Africa and founded a new population.
Which of the following could be considered the most recent common ancestor of living tetrapods?
a) an armored, jawed placoderm with two pairs of appendages
b) a salamander that had legs supported by a bony skeleton but moved with the side-to-side bending typical of fishes
c) an early ray-finned fish that developed bony skeletal supports in its paired fins
d) a sturdy-finned, shallow-water lobe-fin whose appendages had skeletal supports similar to those of terrestrial vertebrates
e) None of the alternatives is correct
Explanation / Answer
In what way are seed plants and reptiles similar?
answer: They both prevent desiccation with the development stomata
A fossil species of terrestrial reptile is unearthed from the same time horizon in eastern South America and western Africa. What is the most likely explanation for the geographic distribution of this species?
answer: This species lived during a time when South America and Africa were adjacent regions of a supercontinent.
Which of the following could be considered the most recent common ancestor of living tetrapods?
Answer: a sturdy-finned, shallow-water lobe-fin whose appendages had skeletal supports similar to those of terrestrial vertebrates
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.