Ranjeet is studying an unknown group of cells and finds that the cells have lysosomes. he concludes that the cell must be an animal cell. is his conclusion correct?

Which of the following is an abiotic factor in an ecosystem? a. bacteriab. airc. niched. grass(abiotic=non-living) me !

Make a claim about the factors that cause inherited genetic variations within populations. also make a claim about the effects of mutations.

You and a group of friends are spending your vacation hiking through the mountains. it is cold in the mountains. you will be expending a lot of energy while hiking and you will need plenty of energy to keep you warm. you should pack foods high in to provide the most energy or kilocalories per gram of food. a) carbohydrates b) lipids (fats) c) proteins d) sugars