Which type of fossil is formed by sediments and found in sedimentary rock?

mold of a fish

petrified wood

carbon film of a leaf

preserved insect

The respiratory membrane, across which gas exchange occurs, is formed by the wall of the respiratory bronchiole and the pulmonary capillary.

Biological evolution that occurs by chance or a random event is called

Permanent damage to which of the following types of tissue in the spinal cord will cause paralysis? a. nervous tissue b. muscle tissue c. bone tissue d. connective tissue

Answer the following questions 1. What are two sources of carbon dioxide in air? 2. what are trace gases 3. what are 2 processes that use oxygen?

If a skin cell takes 3 hours to divide, how many skin cells will there be after 15 hours?

Lactic acid bacteria such as Lactococcus A. produce catalase. B. are obligate fermenters. C. require anaerobic environments. D. use oxygen as a final electron acceptor.

Which body system is responsible for breaking down food molecules so that they are small enough to be used by cells? excretory system endocrine system digestive system circulatory system

During which stage of team development do team members attempt to jockey for power, ask many questions and establish dubious goals?

Where did pompeii worms get their names from

What are minerals made of?