1. Which structure (s) in primates enables them to develop complex social systems?

A. a well-developed cerebrum

B. a long tail

C. thumbs and big toes

D. a skeleton designed for climbing

DNA and RNA are both nucleic acids which are made of nucleotides. Are they both made of the same nucleotides?

How can challenges/adversity (and overcoming them) benefit you or you journey of your life?

Speculate on what science might be like without recognizable patterns in nature.

Which gas is not produced by volcanic eruptions?

Which is more stable RNA or DNA?

Alice takes lithium to control symptoms of her mental disorder. alice is most likely suffering from

Which two species are most closely related? A) Dog and rabbit B) Human and dolphin C) Wolf and dog D) Giraffe and horse

Changes in chromosome number are usually the result of what?

Raccoons eat a variety of foods and can live in a variety of habitats, including locations near humans. Tiger salamanders eat an abundance of worms and insects and require wetland habitats so they do not dry out.

What is some conclusive evidence that organisms of two different species share a common ancestor?