Lampreys and hagfishes have

A. jaws

B. paired fins

C. scales

D. notochord that remains throughout their life cycle

Complete the sentence about the continental drift theory Alfred wegener proposed the theory of continental drift after he saw that the coasts of ___ and ___ looked like two interlocking puzzle pieces 1. A. Eastern Africa B. Northern Africa C.

The jacklabbit is a desert mammal. The jackrabbit's circulatory system increases blood flow to the ears during hot days. The blood flow to the ears decreases during cool or cold nights.

What causes the differences in physical characteristics like hair color among people?

Which best describes how long it usually takes for speciation to occur

You are examining slides of fungal reproduction under a microscope. what has just occurred if you observe that the cytoplasm between two different mating types has fused, but their nuclei are still separate? a. meiosis b. mitosis c. plasmogamy d.

Which process produces two genetically identical somatic cells?

What type cell undergoes meiosis?

What type of instrument measures seismic waves? A. Mercalli scale B. Seismogram C. Seismic scale D. Seismometer

Which of the following is composed of two layers of lipids and protects the cell from the surrounding environment? Select one: a. cytoplasm b. cholesterol c. cell membrane d. carbohydrate

Predict how the thickness of cuticle and the number of stomata differ in plants from wet habitats versus dry habitats. drag the appropriate items to their respective bins.