Trilobite fossils are found in Cambrian rocks but not found in the more recent rocks from Triassic period. This MOST likely

suggests they went extinct before the Triassic.

True or False

What is the purpose of the cell membrane?

Which of the following does not require minerals for proper functioning? a) metabolism b) cell and tissues c) nerves and muscles d) none of the above

Why is DNA organized in the form of a chromosome?

How long does the average cat live?

What happens to the number of particles in the sample

Why do plants need to be specialized to survive in arid climates?

Two parents are heterozygous for a recessive disease, what are the chances that the child is also a heterozygous?

Why do you think older people among the elderly are the most likely to be abused

What is the structural difference between plant and animal cells which makes them differ in cytokinesis? Plant cells have a cleavage furrow and animal cells do not.

The living part of the cell found both inside and outside of the nucleus is called protoplasm. This material is composed of proteins, carbohydrates, electrolytes, water, and what other substance?