The leaves of plants contain specialized parts that absorb energy from sunlight. Which feature would help a plant better compete for sunlight?

leaves that change color
colorful flowers
larger overall leaf size
a shorter stem

Homo heidelbergensis was a tall, muscular hunter, who used both tools and weapons. because h. heidelbergensis was not a gatherer/forager, but ate a varied diet including meat and fish, we would expect to see what anatomical changes?