Which characteristics do birds and mammals share? Check all that apply. A. Both give birth to live young.
B. Both are endotherms.
C. Both have hair or fur.
D. Both produce milk to feed their young.
E. Both are vertebrates.

1. key concept list themajor biomes, and give onecharacteristic feature of each.

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

Despite the differences in mature plant cells, all of them are derived from meristem cells. the three major types of tissue systems develop from the meristem. meristems develop cells in all but which tissue?