Answer:a. Fats are soluble in water.
Explanation:fats are insoluble in water but are soluble in organic solvent eg acetone,benzene.
Fats stores about twice the same amount of energy as carbonhydrate.
Fat may be saturated or unsaturated.saturated fats do not contain. double bonds but unsaturated fat does.
CnH2n+1COOH is the general formula of saturated fatty acids
Fat is solid at room temp but oil is liquid at room temp.
Most animals stores excess food as fat
Answer: some energy is lost from the pyramid, energy is transferred from bottom (producers) to top, but in decreasing amounts.
Explanation: total energy is conserved, but not necessarily within the energy pyramid, which is an open system where energy is lost from the pyramid, mainly as heat but also as sound.
Energy is transferred up the pyramid but the amount transferred at each stage is less because of losses outside the pyramid.
Answer:
E. digestive system
Explanation:
Mollusks/Molluscs are<u> invertebrates</u> of the <em>Kingdom Animalia</em>. It is said to have the <em>biggest population </em>when it comes to the <em>marine phylum. </em>
It has an organ called the "radula" that is responsible for grinding food. This organ looks like a tongue. Its "crystalline style" is located in the middle part of its gut. It is responsible for secreting enzymes and it helps in extracellular digestions.
Clearly, <u>the </u><u>radula</u><u> and</u><u> crystalline style</u><u> are both part of the</u><em><u> mollusc's digestive system.</u></em>
1. They have intercellular spaces between them
2. They have thin walls
