Use the cladogram below to answer the questions that follow

Question 1
Which characteristic is shared by humans, wallabies, and trout? (1 point)
Responses

mammary glands
mammary glands

four limbs
four limbs

notochord
notochord

placenta
placenta
Question 2
Which animals have the closest evolutionary relationship, as shown by the cladogram? (1 point)
Responses

humans and lampreys
humans and lampreys

humans and trout
humans and trout

humans and wallabies
humans and wallabies

humans and lizards
humans and lizards
Question 3
A valid conclusion from this cladogram is that(1 point)
Responses

humans and lampreys share a common ancestor.
humans and lampreys share a common ancestor.

four limbs appeared in vertebrate evolution before the notochord appeared.
four limbs appeared in vertebrate evolution before the notochord appeared.

mammary glands appeared in vertebrate evolution after the placenta appeared.
mammary glands appeared in vertebrate evolution after the placenta appeared.

salamanders, trout, and lampreys all have a backbone.

1 answer

Based on the cladogram and the questions provided, here are the answers:

Question 1:
Which characteristic is shared by humans, wallabies, and trout?
Response: notochord
This is the characteristic shared by the three, as both humans (as vertebrates) and wallabies (as mammals) develop from organisms that have a notochord during embryonic development, and trout, being fish, also have a notochord.


Question 2:
Which animals have the closest evolutionary relationship, as shown by the cladogram?
Response: humans and wallabies
Humans and wallabies are both mammals, making them more closely related to each other than to the other animals listed.


Question 3:
A valid conclusion from this cladogram is that
Response: humans and lampreys share a common ancestor.
Cladograms illustrate evolutionary relationships, and if the cladogram depicts humans and lampreys branching from a common ancestor, it supports this conclusion.


If you have further specific details from the cladogram or additional context, let me know for more accurate responses!