: Minerals are my cove nutrients required by the body for various key functions. The mineral BLANK is required to carry oxygen in the blood to all body tissues and BLANK is a rich source of mineral
FIRST blank options : 1- calcium 2-iron 3-sodium
SECOND blank: 1-vegetable oil 2- red meat 3-milk
Explanation:
I think that a toxin that was introduced into a food web can kill some species but not others because some may have resistances to the toxin, while others, it may be lethal. Also that it did not affect everyone because as Bioaccumulation has stated if affected one organism but their might not be much biomagnification as in much increase in the correlation between the food chains in that area. i think the cat were like the top animal so the key stone animal of the food chain and also it had no predators.
Hmmm good question.. you shouldn’t be using Brainly to cheat on your assignments :) work them out I’m sure u can do it!! Say positive
Green plants which contain chloroplast perform photosynthesis
