Athreatened species is likely to have blank than an endangered species

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

What is point source pollution of an aquatic ecosystem? a) pollution of freshwater sources b) pollution from many sources that combine into one c) pollution that occurs over a wide area; water that runs off from fields, parking lots, and other land surfaces d) pollution that can easily be identified with a single discharge source, such as an open pipe which drains into a body of water

How many neutrons does element x have if its atomic number is 29 and its mass number is 86?