1. True or False?

Skin, hair, and nails are all made of keratin.

2. What do sweat glands do?

a. make oils so hair can grow

b. release wastes & heat to keep cool

c. keep warm by releasing hot fluids

3. How are fingerprints formed?

Which of the following is a population? All the animals in a prairie ecosystem. All the mesquite trees in a desert ecosystem. All the living organisms in a river ecosystem. The tree where a squirrel lives in a forest ecosystem.

How many chromosomes are in the somatic cells of an organism with a haploid number of 34?

Who argued that cities brought a more impersonal transitory way of life to people? louis wirth janice mosby james mclnnis ted mosby

How does the law of segregation, independent assortment and crossover affect genetic diversity?

Why is limited exposure to the uv light in sunlight beneficial?

How is scientific thinking useful in daily life

Is a rotting log biotic or abiotic?

Hat type of substances are commonly transported into cells by channel proteins

Who received profits from a corporation? A. The employee B. The company officials C. The managers D. The shareholders

An ecosystem includes a. only exotic factors b. only biotic factors c. biotic and abiotic factors d. only abiotic factors