Essential Elements for Plant Growth Macronutrients Micronutrients Carbon (C) Iron (Fe) Hydrogen (H) Manganese (Mn) Oxygen (0) Boron (B) Nitrogen (N) Molybdenum (Mo) Phosphorus (P) Copper (Cu) Potassium (K) Zinc (Zn) Calcium (Ca) Chlorine (CI) Magnesium (Mg) Nickel (Ni) Sulfur (S) Cobalt (Co) Sodium (S) Silicon (Si) Essential elements required by plants: For an element to be regarded as essential a plant. cannot complete its life cycle without the element, no other element can perform the function of the element, and the element is directly involved in plant nutrition.

What does cellulose and lignin provide for the plant?

Plant-to-plant signalling in response to herbivory is mediated by Select one: a)lignin deposition b)abscisic acid c)the anti-malarial molecule artemisin d)volatile organic compounds

Unique characteristics of plants : Which of the following are unique characteristics of plants? (Check all that apply) are multicellular are prokaryotes are unicellular are eukaryotes store food as starch store food as glycogen V carry out photosynthesis carry out cellular respiration M have cell walls made up of cellulose have cell walls made up of chitin have multicellular embryos have unicellular embryos alternate between two generations

A typical food chain in the San Joaquin Valley consists of plant roots >> gophers >> snakes. If a snake weighs 1.5 pounds, how many pounds of plant roots would there need to be to support that snake? (Type only the number--do not spell the number--and don't include the word "pounds")

Metal hyperaccumulating plants have evolved this unique phenotype because _______ Select one: a. they can be used to clean soil (phytoremedation) b. prevent herbivory (“better not touch….you’re poison….” –Alice Cooper or an unassuming insect) c. they can accumulate pricey and precious metals (cha-ching!) d. they can avoid these metals (clearly you are too focused on a summer break- enjoy it).

#2 Using the photograph of a leaf cross section above, match the part of the leaf to its role (match each letter shown in the photo to the coresponding number)  1. facilitating gas exchange with large air pockets  2. transporting water, nutrients, and sugars throughout the leaf 3. doing most of the photosynthesis in the leaf  4. protecting the leaf