Fish, reptiles, birds, and mammals have very similar embryos with gill slits and tales, but all but fish get rid of the gills as they mature
The carrying capacity of a biological species in an environment is the maximum population size of the species that the environment can sustain indefinitely, given the food, habitat, water, and other necessities available in the environment.
Round and Red and part of your blood
D. parasitism
The flea is gaining nutirents but since the dog is being harmed the flea is a parasites
Giraffes are quickly losing their living spaces.
four main threats are habitat loss, civil unrest, illegal hunting, and ecological changes
this is what i got from google
