Any condition in an experiment that can be changed is a control variable!!
You control it!!
Answer:
a) different types of animals and plants and the forest soil
Explanation:
An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. Therefore, a scientist would need to include biodiversity when describing a forest's ecosytem.
Answer: Water. The pH level is 7.
Explanation: The scale has values ranging from zero (the most acidic) to 14 (the most basic). As you can see from the pH scale above, pure water has a pH value of 7. This value is considered neutral—neither acidic or basic.
I would expect to see HIGHER MALE INVESTMENT.
Bateman Triver hypothesis of sexual selection states that males compete with one other and female are choosy in which male to mate with when it comes to sexual reproduction.
