PLZZZ HELP During a field trip to a weather station, students were shown how an instrument used to measure the height of water relative to land works. The instrument is called a .
A)
rain gauge
B)
tide gauge
C)
wind vane
D)
land-water gauge
E)
water gauge

Rotenone is an insecticide that is toxic

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.

The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods.c. it shows that these organisms share the same habitat.d. it provides evidence that these organisms suffered a genetic mutation.