Answer: B:Put water, fertilizer, soil, plants and insects in an open, clear glass aquarium. Place it in an area that has some sunlight
and some shade
Explanation: Alright lets analyz and simplify. First you need water of course for anything to live right. the soil and fertilizer for the plant is good because plants are autotrophs which mean through photosynthesis they can make their own food. The insectsm are heterotrophs which will help with overpopulation of plants and the sunlight and shade will allow for a balance of temperature.
Instrinsic factor is the stomach secretion necessary for normal hemoglobin production in RBCs.
Answer:
Explanation:
just search what a primary consumer is
Answer:
when there are changes in climatic condition for example if the sun becomes to harsh ,unbearable and unfavorable this might cause certain population to migrate from their habitat to a more suiting one
