Is a biomass pyramid always biggest at the bottom and getting smaller toward the top?

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.

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