Bird toes suitable for digging have claws that are?
blunt
curved
hooked
sharp
Correct answer is A
Fowls have blunt nails for scratching the ground for:
*forage
*dust bath
*nest preparation
The feature that makes locomotion in water easy for fish is the?
scaly body
slimy body
streamlined body
lateral line
Correct answer is C
Fish are streamlined because the streamlined shape helps them move through the water with the least amount of resistance/friction.
A blue-green algae is not a protophyte because?
it is aquatic
its cells are prokaryotic
it cannot move
it is not a green plant
Correct answer is B
Nostoc is a procaryotic blue-green algae.
In plants, the structures that play roles similar to the arteries and veins of animals are the
xylem and phloem
root hair and xylem
lenticels and phloem
roots and stems
Correct answer is A
No explanation has been provided for this answer.
The first terrestrial vertebrates evolved from
pisces
reptilia
amphibia
mammalian
Correct answer is A
The earliest vertebrates resembled hagfish and lived more than 500 million years ago. As other classes of fish appeared, they evolved traits such as a complete vertebral column, jaws, and a bony endoskeleton. Amphibians were the first tetrapod vertebrates as well as the first vertebrates to live on land.