Elena852
Elena852
01-11-2018
Biology
contestada
Did early land animals have gills as well as lungs?
Respuesta :
zoeaf2000
zoeaf2000
01-11-2018
Yes they did. It is generally known that amphibians breathe through their skin.
Answer Link
Аноним
Аноним
01-11-2018
Yup i think the earliest whales did
Answer Link
VER TODAS LAS RESPUESTAS ( 32+ )
Otras preguntas
Give all solutions if the nonlinear system of equations, including those with no real complex components. y=x^2+6x 4x-y=-24
How do u answer 3(x+2)=x-18
Suppose x + y = 6 and xy = 4. Find the value of x² y + xy² without solving the equations.
If a car can go from 0 to 60 mi/hr in 8.0 seconds, what would be its final speed after 5.0 seconds if its starting speed were 50 mi/hr?
1.How and why did the universe begin?2.Whats the point of life? Why are we here?3.Are we alone in the universe?4.Are moral values relative or absolute?5.Should
The golfer hits the golf ball. The quadratic y=-8*x^2 +48*x gives the time x seconds when the golf ball is at height 0 feet. In total, how long is the golf ball
What do epidermis and the dermis have in common? Could you please help me with me questions?
How much energy is contained in the mass of a 60-kilogram person?
A candy distributor needs to mix a 10% fat-content chocolate with a 40% fat-content chocolate to create 100 kilograms of a 16% fat-content chocolate. How many k
What is cos P? Right triangle PQR with a short leg measuring 5, a long leg measuring 12, and the hypotenuse as 13A. 5/12B. 12/13C. 5/13D. 12/5