Which statement describes the evolution of the trait of an amniotic egg? 1. The trait evolved in an ancient ancestor of salamanders and was passed to lineages that lead to lizards and wallabies
2. The trait evolved in an ancient ancestor of lizards and wallabies and was passed to all of the ancestor's descendants
3. The trait evolved separately in a variety of ancient organisms, including an ancestor of lizards and an ancestor of wallabies
4. The trait evolved in an ancient species and was passed only to lizards and wallabies

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

Environmental science are unconsidered with methods to preserve natural resourcesa.trueb.false

In the united states there are strict fishing seasons and limits, but not all countries enforce similar laws. in bangladesh there are few if any fishing restrictions. what might be the reason for less restrictions in smaller countries like bangladesh? a) the united states is the only country worried about overfishing. b) the united states wants to limit the supply of fish to increase the price. c) bangladesh and smaller countries have an unlimited supply of fish in their coastal waters. d) small countries, such as bangladesh, are practicing subsistence fishing, taking only the fish needed to survive.