Explain what would happen to the population of frogs if:.

a) Grasshoppers were to be killed by an insecticide? (2 marks)

What force holds the two ions together in an onie bond!

Which statement is true? A cell generates order by decreasing the entropy of its surroundings. A. A cell takes in heat from the environment to power its biosynthetic reactions, thus obeying the second law of thermodynamics. B.

Skeletal muscles are?

Fungus-like protists reproduce with A. spores. B. gametes. C. plasmodia. D. sporozoite.

Which of these is incorrect? A. Most extracellular signal molecules specifically bind to a single type of receptor B. For a given signaling molecule, every cell will have the receptor for that molecule C.

Does granite form crystals

1 A negative result of monoculture farming is ... A. a resistance to pesticides B. an increase in crop prices C. a decrease in mineral nutrients in soil D. a decrease in the number of diseases

What type of conduction takes place in unmyelinated axons? What type of conduction takes place in unmyelinated axons? Continuous conduction Electrical conduction Saltatory conduction Synaptic transmission

The characteristics that distinguish phylum Annelida worms from simple worms include (s) A. nephridia, a heart, and, in some cases, jaws. B. the lack of a true digestive system. C. metamerism. D.

The process of meiosis is responsible for creating much of the genetic variation seen in sexually reproducing organisms. which events in the process of meiosis generate this genetic variability?