Vacuoles are structures found in many cells. Their job is to store materials needed for the cell. Paramecia and other unicellular organisms often have a special vacuole called a contractile vacuole. Consider what the word “contractile” means. How would this structure help this organism better survive in its moist environment?

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.

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

What does the positioning of transcription factors determine?