A unique characteristic of all grasslands is the predominance of * A. Tall trees
B. Tall herbs
C. Tall grasses
D. Tall shrubs

Which events are likely to be catastrophic to an ecosystem? select the three correct answers.a-hurricane.b-steady population growth.c-seasonal flooding.d-introducing of an aggressive invasive species.e-tsunami.

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

How does natural selection change thephenotypes within a population over time?