How many ways can u choose 10 tadpoles from a pool of 20

Producers in an ecosystem transfer all of their energy to primary-level consumers. T F

Which of the following is an effective defense mechanism for fighting illness, triggered by the immune system?

In a eukaryotic cell where is most of the DNA located. A. Golgi body. B. nucleus. C. cell wall. D. cytoplasm

How were fossils of plants found in antarctica

The energy of blowing wind can be harnessed to create electricity. Why is wind considered a renewable energy source? A) Wind does not cause destruction of the environment. B) Wind turns the blades of a windmill that creates electricity.

Structures that occur in different species but are similar enough to suggest that the species had a common ancestor is Question 2 options: comparative embryology homologous structures phylogenetic tree

What is one reason it is necessary for humans to eat saturated fats

Which product is the result of light reactions in photosynthesis? A. Oxygen B. Water C. Glucose D. Carbon dioxide

What best explains the observation of an enzyme being selective in the reaction it catalyzes? a. Reaction-specific enzymes assume a fit by folding around the most numerous substrate molecules. b.

What is an example of a farming practice that is good for the environment and preserves the rain forest