Question

question 23 1 pts
what is a root - like structure that anchors the kelp to the ocean floor?
○ kelp holdfast
○ kelp blade
○ kelp pad
○ kelp strip

question 24 1 pts
which algae family does kelp belong to?
○ brown algae
○ blue - green algae
○ yellow - red algae
○ green algae

Explanation:

Question 23

Kelp has a root - like structure called holdfast which is used to anchor it to the ocean floor. Kelp blade is for photosynthesis, kelp pad and kelp strip are not structures for anchoring.

Kelp belongs to the brown algae family. Blue - green algae are cyanobacteria, yellow - red algae and green algae are different groups and kelp is not part of them.

Answer:

A. kelp holdfast

Question 24