Scientists have discovered a new animal its it possible for it to have no digestive system

How many species of living things are alive on earth today? more than 1,000,000 none of these answers are correct 100-500 1,000 –500,000 o 500,000 -1,000,000

Which direction does the energy flow in this energy pyramid ?

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a