Explanation:
Most plants, algae, and cyanobacteria perform photosynthesis; such organisms are called photoautotrophs. Photosynthesis is largely responsible for producing and maintaining the oxygen content of the Earth's atmosphere, and supplies most of the energy necessary for life on Earth.
B. Mutation, because mutations are random alleluia changes that change future generations
Answer:
Step 1: Define your variables.
Step 2: Write your hypothesis.
Step 3: Design your experimental treatments.
Step 4: Assign your subjects to treatment groups.
Answer:
sharks
Explanation:
Because they are the ones to get the last bit of energy. Secondary consumers are the group in the food chain that eats primary consumers. This means that secondary consumers can either be omnivores or carnivores. These terms refer to whether or not they eat just meat or a varied diet. Secondary consumers don't need to have a specific diet.