True or false all fungi have chitin in their cell walls

Why are molecular clocks important in the construction of cladograms?

Define the role of the sun in providing energy for living things on earth?

Plants grow around this lake. Plants also grow in this lake. ALL BUT one non-living feature is important to the life of the plants around and in the lake. A) carbon dioxide. B) water temperature. C) amount of sunlight. D) the depth of the water.

What are invertabrate group includes coral, sea anemones, and jellyfish?

White-tailed deer browse the understory of a deciduous forest, eating the vegetation that numerous other species depend on.

The list below includes three organ systems that are directly used when a human runs. circulatory system muscular system skeletal system Which system should also be included in the list?

In an ocean, the parrotfish feed on marine plants, big fish feed on parrotfish, and sharks feed on the big fish. What are sharks in the food chain? producers primary consumers secondary consumers tertiary consumers decomposers NextReset

What does the respiratory system do? a. moves blood around the body b. defends against invaders c. sends hormones to the body d. brings oxygen into the body?

Coals, oils and gas are examples of

Abstaining from alcohol can reverse some abnormalities in the brain in patients with alcohol dementia. a. True b. False