Around 50,000 rainforest species go extinct every year.

Interdisciplinary nature of biology

Most aquatic organisms reproduce by using which type of fertilization method? conjugation. external fertilization. internal fertilization. pollination.

1.75 grams divided by 1,000 mg over 1g

Earth is continually changing. Erosion leads to areas being slowly covered by dirt and rocks. As more soil gets deposited, it begins to increase the amount of pressure on the rocks, soil, and organic matter underneath.

Which is not likely to be studied by a biologist?

What does the geologic time scale confirm about the Cretaceous period? A. It ended during the Cenozoic era. B. It ended during the Mesozoic era. C. It started before Precambrian time. D. It started before the Cambrian period.

A strand of DNA contains the sequence GGC-CAT. What is the complementary strand for mRNA for this sequence?

The land and water ecosystems that provide the resources that a person uses and that neutralize that person's wastes is part of that person's A. biodiversity. B. ecological footprint. C. habitat. D. ecological sustainability.

Which two components are raw materials used in cellular respiration

What is another natural process that could contribute to the evolution of a species' genomes? How would this process affect evolution?