Answer: Exaptations
Explanation:
Exaptation explains a shift in the function of a trait during evolution. For example, a trait can evolve because it is used for one particular function, but eventually it may come to be used foranother function. Exaptations are found both in anatomy and behaviour. A classic example are bird feathers: at first they may have evolved for temperature regulation, but subsequently were adapted for flight. Exaptation was said to proposed by Stephen Jay Gould and Elisabeth Vrba as a substitute for what they considered to be a teleologically loaded term 'pre-adaptation'.[
Correct option - They have a crystalline structure.
Is a technique used to date materials such as rocks or carbon
Answer:
Correct
Explanation:
When combining more than two circles in a Venn diagram you have to actually mix in the colors where the intersections are so that you will be able to tell their differences.
Answer:
Energy is gained by consuming food
Energy is lost due to: The whole organism not being eaten (skeleton and fur left behind). Not all the food being digested – some passes out of the animal in excretion or egestion . Energy being lost as heat in respiration and therefore not being passed onto the next level.