State and discuss two types of immunity.
​

Babies with very low or very high birth weight are less likely to survive. observe a graph of the data.

How does the human body lever work?

Which of the following is an example of competition a. the leaves of a tree prevent a small shrub from getting sunlight. three species of birds feed a different heights in the same tree. b. three species of birds feed at different heights in the same tree c. zebra and giraffe’s feed on different grassland plants d. cats living in two different homes eat the same brand of cat food.