What does it mean to be selectively or semi permeable?

Which organisms are producers in the good web

Salt glands allow desert animals to reduce their water loss due to

Which of the following vitamins, when taken in excess, are more likely to be stored in the body? Choices:. Water-soluble. Fat-soluble. Multiple vitamins. Vitamin supplements

What allows water to dis - solve salt and sugar?

What is the cell nucleus?

The process that makes specialized sex cells is: A. Mitosis B. Meiosis C. Replication D. Synthesis

State one example when resistance is desirable answers

A car moves with an average speed of 45 miles/hour. How long does the car take to travel 90 miles? 2 minutes 2 hours 45 minutes 45 hours 90 minutes

Which one of the following characteristics is not used to classify agiosperms? A. Number of seeds and leaves B. Length of life C. Type of stems D. Color of leaves

How does the human body keep warm on a cold day? A. it converts chemical potential energy into thermal energy B. it converts thermal kinetic energy into potential energy C. it converts thermal potential energy into thermal kinetic energy D.