Scientists in the human genome project are working to identify the (karyotype, dna) sequence of every human gene.

Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight

Grasses--> mice--> cats--> coyotes suppose 10,000 units of energy are available at the level of the grasses. what is the total number of energy units lost by the time energy reaches the coyote?

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?