Answer:
<u>Gas</u> is the state of matter has NO definite shape and NO definite volume.
Because predator species often will switch its prey as one prey species becomes less abundant.
Why this is so should be obvious - because it's not in the interest of predators for the prey species to completely die out as it would effectively also mean that they would die out due to not having enough food to eat.
Asexual reproduction results in offspring which are genetically the same as the parent organism (not counting a rare mutation). Sexual reproduction produces a random mixture of the genetics derived from both parents.