Answer:
The evidence suggests that these chloroplast organelles were also once free-living bacteria.
Explanation:
The endosymbiotic event that generated mitochondria must have happened early in the history of eukaryotes, because all eukaryotes have them.
:)
Answer:
Ectotherms warm their bodies by absorbing heat from the surrounding environment, whereas Endotherms produce heat by their metabolic activities. • Ectotherms have large variations in normal body temperatures while endotherms maintain their body temperature in a fairly constant value
Explanation:
I don't know if this helps or not but you would want to know the age of the rock (absolute dating) and from there you will be able to know the age of the fossil and what caused it to die.
Answer:
Human nutrition is the process of which substances are Transformed into tissues and energy which are used up to mental and physical activities!
Answer:Nervous tissue is composed of two types of cells, neurons and glial cells. ... An important part of the function of neurons is in their structure, or shape. ... It is the axon that propagates the nerve impulse, which is communicated to one or more cells. ... Information flows through a neuron from the dendrites, across the cell body, ...