What is the ultimate source of energy for all ecosystems? OA. plants
OB. the Sun
OC. primary consumers
OD. secondary consumers

Where is muscle tissue found in the body?

The long-term increase in the average temperature on earth is referred to as _[blank]_. global cooling ozone cooling global warming ozone warming

Label the offspring chromosomes a1, a2, b1, or b2. circle any mutation chromosomes.