"Time is the independent variable, and the number of birds is the dependent variable" is the one among the following choices given in the question that states the independent and dependent variables in Sam’s investigation correctly. The correct option among all the options that are given in the question is the second option.
It would be A because plants use photosynthesis to make proteins and fats to kind of survive
You would the find the greatest diversity of species in a temperate kelp forest.
I hope this helps.
<span>The answer should be 67.5gram
If Mary wants to consume 15% of her kcalories from protein, then the target calorie would be: 15% * </span><span>1800 kcal= 270kcal.
Every gram of protein will give about 4 kcal of energy. So, the protein needed in gram would be: 270kcal / (4kcal/gram)= 67.5 gram</span>
ANSWER: POPULATION ECOLOGY
EXPLANATION:
The scientific field that deals with populations (i.e all individuals of a single species inhabiting a community) and how they interact with their extrinsic environment, is referred to as POPULATION ECOLOGY.
Thus, it's categorized under population ecology, because the research depicts how the number of individuals (beetles) in a population changes in time and the gross impact on their number decrease and loss of all the individuals (extinction) over a period of time.
