Alone wolf, who doesn’t have a pack travels the forest. when he reaches a new hill that he hasn’t been on before he spends a large amount of time sniffing the trees and rocks outcrops. finally he turns and heads back from where he came, recognizing this is the territory of another wolf. what’s most likely responsible for communicating this information to the wolf?

a. the tracks of other wolves on the hill

b. pheromones

c. language

d. markings on the trees

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla

How did the club fungi get its name? a. it is named for the club-shaped seeds it produces. b. it is named for the way individual species grow together in small groups called “clubs.” c. it is named for the club-shaped area where it produces spores. d. it is named for the club-like mechanism it uses to kill its prey.