Many cactus plants, such as the species shown in the illustration, use a special type of photosynthesis called cam photosynthesis. this specialized process allows the cactus plant to keep the stoma or leaf openings closed during the day. most other plant species keep their stoma open during daylight hours. which is the most likely reason that cactus use this special photosynthetic process? a) retain oxygen b) conserve water c) avoid insect predators d) conserve energy in the form of atp

Astudent sees several ants walking up a wall following the exact same trail that an ant took earlier. she wants to apply the scientific method to determine how the ants detected the trail. which of these steps would come first in her application of the scientific method? perform an experiment by cleaning the scent away from part of the trail. draw a conclusion that the ants follow a scent trail. make a prediction about what the ants will do after she cleans away part of the trail. hypothesize that the ants are following a scent trail that the first ant left.