What did Virchow observe that led him to determine one of the main components of cell theory?

Which retriever enjoys the water? Golden retriever Labrador retriever Chesapeake bay retriever All of the above

The agricultural practice of irrigation leaves behind which pollutant in the soil? A. Pesticides B. Acidic compounds C. Salt D. Nitrogen compounds

What assumption is made when constructing a cladogram? Question 25 options: the fewer derived characteristics shared by groups, the more recently the groups share a common ancestor the more derived characteristics shared by groups, the more recently

Density, distribution, and growth rate are characteristics used to classify which one of the following? Question 16 options: biomes populations limiting factors age structure

Genetic variation occurs when chromosomes are shuffled in fertilization and what other process?. mitosis mutation meiosis genetic drift natural selection

Which level of biological classification is the lowest level that butterflies

What might happen if a continent stops rifting apart?

Write the least common multiple of 7 and 14

How long do footprints last at the sene of the crime?

Which of the following items would have the highest density? A. A 2 cm3 block of lead with a mass of 11 grams B. A 12 cm3 block of wood with a mass of 3 grams C. A 12 cm3 block of aluminum with a mass of 2 grams