According to the law of conservation of energy, energy can neither be created nor destroyed. If this is true, why is there less energy in the top of the energy pyramid than there is in the bottom of the energy pyramid?

Rangers tagged and released 255 salmon into a Maine lake. A month later, fishermen on the lake were surveyed. They reported catching 60 salmon, 20 of which had tags. Using this sample, estimate the salmon population in the lake.

Cual es la probabilidad de que se produzca un majaz de raza pura recesiva de pelo corto marron oscuro, proveniente del cruce de padres pelo corto marron claro.

What is the function of the specialized cells in the outer walls of plant roots

An organism with two of the same alleles (two dominant or two recessive) for a trait is called (hybrid or purebred)

How do similarities in the bones of humans, dolphins, horses, and birds provide evidence for evolution?

4 reasons why global warming is a problem

Administration of which classes of medications can decrease secretions of the upper respiratory tract?

Explain how DNA froms chromosomes in eukaryotic cells

Decomposers act in which level of the trophies pyramid?

What sort of insect has six legs? List one fact about it as well