(Question)
You are presented with the question "the average number of individuals per unit of area or what can vary considerably?" and the following answer choices: - Decibels - colors - dense - Summer - volume - seasons - animals - decreases Now knowing that population density is the average number of individuals per unit of area or volume and population density varies considerably, choose the best answer.
(Answer)
volume

(Question)
You are presented with the question "Members of the Myrmecocystus genus communicate via pheromones, which are a type of:" and the following answer choices: - sense of smell - chemical receptor - organ - insects - chemical - sound - antennae - Vibrates Now knowing that ants communicate with chemicals called pheromones and honeypot ants are classified in the genus Myrmecocystus, choose the best answer.
(Answer)
chemical

(Question)
You are presented with the question "What has a negative impact on how plants feed themselves?" and the following answer choices: - darkness - disease - influenza - sunshine - viruses - Pollution - water - light Now knowing that darkness has a negative impact on photosynthesis and plants feed themselves through the process called photosynthesis, choose the best answer.
(Answer)
darkness