The main excretory product of frog is?

[A] Urea

[B] Ammonia

[C] Uric acid

[D] Amino acid

Which trait would best indicate that a particular arthropod was a member of subphylum chelicerata?

You inherited your mother's crooked nose and her recipe for chocolate chip cookies (both favorable traits). Which trait will be spread more quickly through the population? a. the nose because it can be passed on to all relatives b.

Why was the use of DDT banned in the US?

Automated external defibrillators (aeds) are used in cardiac arrest situations for:

The volcanoes on Mars resemble ___ on Earth.

While the bones of this joint may fracture, they rarely become dislocated. The articular capsule and accessory ligaments of this joint make it one of the strongest structures in the body.

A 5-year-old girl catches the flu from a friend at day care after the friend sneezed and wiped mucus on a toy that the girl played then with. In this case, what is the portal of exit in the chain of infection?

Why does a tiger look so much different as an adult

Why do you think some nerve cells are long and thin?

What is the name of the macromolecules that makes up DNA