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.

4the indian leaf butterfly has traits that allow it to resemble a leaf. the bright colors of the monarch butterfly indicate that the butterfly tastes bad and can be poisonous. how does the appearance of these butterflies them to survive? f the indian leaf butterfly is able to avoid predators while the monarch butterfly warns predators away. g. the indian leaf butterfly frightens predators away while the monarch butterfly poisons predators before they can eat it. h both butterflies rely on camouflage to avoid predation. j both butterflies cooperate with one another to avoid predation.

In which state was more than 100 billion tons of coal mined in 2005?

Why has two different alleles for the same trait?