Select all the correct answers. Snakes and lizards are reptiles. Both organisms have pelvic organs, even though snakes don’t have hind legs. What are the best explanations for this situation?

1. Snakes evolved from lizards, and the hind legs are vestigial in nature.

2. Snakes and lizards share a common ancestor.

3. Snakes and lizards belong to same species.

4. Lizards evolved from snakes, which lost their hind legs during evolution.

5. Lizards and snakes don’t share a common ancestor.

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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.

When explaining dominant and recessive traits to a younger family member, they respond, "well chances are i can probably taste ptc, since dominant traits are more common." how might you address this misconception?

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?