Plz help:) ❤️❤️❤️ASAP!

Which of the following would be best when developing a dichotomous key?

A: The swimming ability of different aquatic species

B: The beak shape of different species of birds

C: The Age of different species of reptiles

D: The function of fur mammals

Thanks!!

Which of the following are causes of coastal erosion? check all that apply. beach grasses and other plants trap windblown sand. wave action carves away the coastline. groundwater under pressure is forced to earth’s surface. artificial structures stop the natural flow of sand along the coast. underground caves collapse as bedrock is dissolved.

2points what is the term for a female reproductive cell? a. egg b. chromatid c. allele d. fertilization

Beth’s hygrometer is reading a temperature of 30 c and a relative humidity of 65%. the humidity in the air is?