Answer:
I believe it is burning fossil fuels.
Explanation:
Most animals in Animalia have backbones, but not all.
The correct answer would be C, because all organisms in Animalia are heterotrophs which means that they depend on other organisms (like animals and plants) for food.
d answer is D........four cells ar formed
Answer:
O+ x AB- = -A(O)
Explanation: Remember that Rh- is recessive the father may have recessive RH-
The right answer is Nutrients and water.
All unicellular organisms such as bacteria and fungi need water, a source of energy, a source of carbon, a source of nitrogen and mineral elements. These basic needs are sufficient to allow the nutrition of bacteria qualified as prototrophs. Some bacteria called auxotrophs require, in addition to basic needs, the presence of growth factors.