Interspecific competition
i guess
Population decreases by 15.
Birth rate means more population (positive), death rate means less population (negative), immigration means more (positive), and emigration means less (negative). So, just add and subtract the appropriate numbers:

Negative 15 people means that the population decreases by 15.
Answer:
The correct answer would be d chloroplasts, which can be found in leaf cells of trees.
Chloroplasts are double-membrane cell organelle usually present in leaf cells of a plant.
They are the site of photosynthesis in plants by which plants convert solar energy into sugars. Oxygen is released as the byproduct of the process.
Light reaction of the photosynthesis takes place in the thylakoid membrane. It produces ATP and NADPH and releases oxygen.
Dark reaction takes place in the stroma of the chloroplast in which ATP and NADPH are used to fix carbon (obtained from carbon dioxide) into sugars (glucose).
The overall reaction is:
6CO₂ + 6H₂O + solar energy → C₆H₁₂O₆ + 6O₂
Yes it is advantageous for scientists to be able to predict harmful algal blooms.
<h3><u>Explanation:</u></h3>
Algae are minute plant like organisms that are unicellular, belonging to Kingdom Protista. The uncontrolled growth of algae over the water bodies is referred to as algal bloom.
Algal bloom has several bad effects. Although they are plants and growth of plants are good for environment, but growth of algae covers up the water surface, restricting the sunlight to enter the inside of water killing aquatic plants, as well as restricting oxygen dissolution, restricting the survival of aquatic animals. Its called eutrophication.
Algae sometimes also produce toxins which are harmful for both aquatic animals and unfit for human consumption. So the prediction of toxic algal bloom can led to taking measures to curb the bloom and saving the animals and plants from being death.
The correct sequence is -
B , E , A , C , D