Which group in this food web would most likely have the greatest biomass our walls crickets snakes rats or oats

Each pair of clay balls represents two planetesimals. if each planetesimal is composed of the same material and is separated he the same distance, which pair experiences the frayed gravitational attraction?

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?

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