Context: This organism is Daphnia pulex. It is a member of the animal kingdom.
Daphnia pulex lives in lakes and ponds. D. pulex can sense chemicals that its predators release into the water. When D. pulex senses that a predator is nearby, it can grow sharp spikes on its head! These spikes make D. pulex harder to eat.
Is Daphnia pulex made up of one cell?
A. no
B. yes
From the given choices, pick the correct answer and respond by indicating the letter of the correct option.
Answer: A