Which is a biotic factor that affects the size of a population in a specific ecosystem? Question 1 options:

Average temperature of the ecosystem

Type of soil in the ecosystem

Number and kinds of predators in the ecosystem

Concentration of oxygen in the ecosystem

Suppose a suitcase has a mass of (m) 30 kg and a net force (n) of 10 kg*m/s. what is the acceleration rate of the suitcasein m/s? show your work to support your answer

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them

Which rate indicates the number of children that would be born per women if she were to live to the end of her child-bearing years