abeka biology test 1

what statement best explains why plants are considered autotrophs

what type of tree produce winged fruit called samaras?

the stacks of chlorophyll-containing disks inside chloroplasts are called _______

What is the other name for flowering seed plants

(true or false) based on their life cycles, all trees are classified as - ANNUALS

When placed in water, the cells of plants become firmer. What part of plant cells is responsible for this

the abscission layer is involved in the ______________

Tumeric pressure - the water pressure within a cell

openings in the leaf

what is the bushy top of a tree called?

middle layer of the leaf where the majority of photosynthesis occurs

The place where and organism lives is its _________

what plant family is known for its poisonous members

the process by which water vapor is lost from the leaves of plants is TRANSPIRATION

what is the role of the pea family in the nitrogen cycle?

a leaf having more that one blade on the leaf stalk is a(n) _______ leaf

which is NOT a cereal grass

Who is the BEST SCIENCE teacher?!?!?!

onions can live for up to two years if not harvested during the first year of life. Onions have ANNUAL growing seasons

what type of vascular tissue carries sap upward?

large central vein

the carbohydrate cellulose helps to strengthen plant cell walls

what type of vascular tissue are cork and parenchyma

what would happen if a plants meristematic tissue was damaged?

what is the purpose of cellular respiration

the DERMIS protects and covers the leaf

a term used to refer to nonwoody plants is _______

what statement best describes why leaves wilt during the day but recover at night?

a leaf that lacks a leaf stalk is a(n) _______ leaf

which of the two types of flowers in a composite flower head is indicated my the arrow?

what term describes what type of trees lose their leaves in the fall?

Leaves, stems, and roots are part of the ________ system

What is the creeping, aboveground stem of the grass plant

why are grasses one if not the most important plant groups?

which of the following is least likely to give the botanist with a good measure of the rate of photosenthesis

what are the largest deciduous trees in America

Nitrogen in the soil is returned to the air by _______ bacteria

Name the liquid found in the roots,, stems, and leaves of plants

plants whose special leaves trap and digest insects are ______ plants

which of the following are special leaves

if a biologist is studying animals what branch of biology is he studying?

what is most likely to affect the rate of photosynthesis