Ichthyosaurs went extinct at the end of the:

Triassic Period

Permian Period

Jurassic Period

Cretaceous Period

There are green and red bugs living in an area. As a result of an environmental change, birds that live in the same area grow in numbers. These birds eat the bugs, and they prefer the taste of the red bugs.

Which term indicates the style of reasoning that uses data to form a conclusion?

How do the intake of nutrients and expenditure of energy relate to a metabolic level?"?

In horses, the allele for a black coat (B) is dominant over the allele for a brown coat (b). A cross between a black horse and a brown horse produces a brown foal. Is the black horse a homozygous or heterozygous for coat color? BB x bb or Bb x bb

What might happen if cytokinesis were omitted from the cell cycle? (1) The daughter cells would die. (2) The cell would lose its mitochondria. (3) The daughter cells would not have nuclei. (4) The cell would not divide into two daughter cells.

10. Which of the following is an emerging dis- ease that was unknown 50 years ago? a. malaria b. dengue fever C. Lyme disease d. schistosomiasis

You eat a large meal and then hike up a hill. What kind of energy transformation is your body performing? A. Chemical energy to kinetic energy and nuclear energy B. Potential energy to sound energy and nuclear energy C.

Which nervous systems balance each other to provide homeostasis?

The modern classification system is based on A - putting organisms into categories based on where they live. B - putting organisms into categories based on how they reproduce. C - putting organisms into categories based on similar characteristics.

Classify the mutations as somatic or inherited A. Mutations in the KRAS gene in lung cells promote continuous cell growth B. Mutations of the BRAC1 gene in egg cells lead to breast cancer C.