Which condition is necessary for a mold fossil to form? (NOTES IN PICTURE)

1)The fossil must be preserved in amber.

2)Minerals must replace the remains.

3)The mold must be filled with sediment.

4)Hard parts of the organism must dissolve.

Does mitochondria still meet the definition of a eukaryote why or why not?

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

Nerve cells are specialized to respond to stimulitrue or false?