Cells of the immune system are able to respond to the presence of invading organisms because they recognize the? A. Antigens on invaders

B. antibodies on pathogens

C. DNA pattern in the nuclei of viruses

D. antibodies released from microbes

Which of the following is the most likely way to get bacteria and viruses to enter a water supply

Which of the following best describes how the two scientists explain how dinosaurs adapted to their surrounding by evolving into warm-blooded animals

How do living systems incorporate non living components

What do you call water stored beneath the land

Which of the following plants would you expect to find nearest to water?

Which of the following is a common feature among the four inner planets? A. atmosphere composition B. distance from the sun C. rocky surface D. temperature range

The bunnies in a forest have different colored fur at different times of the year. The bunnies you see have brown fur in the fall. The bunnies you see in winter have white fur. What is this an example of? a. Evolution b. Artificial Selection c.

What are some problems with the tree of life No plagiarism

Question 1 vascular plants are divided into two main groups: seedless vascular plants, including ferns and club mosses; and seed plants.

What can happen when earth materials overcome the force of friction holding them together? A. a flood B. a landslide C. erosion D. wildfire