Transcript Chapter Two
Who Wants to be a Millionaire? Science ~ Chapter 2 5th Grade ~ 2007 The leaf of a liverwort is called a ___________. Leaf Frond Needle Stem • Leaf The stage in a fern’s life cycle when it produces spores is called _______. asexual reproduction pollination sexual reproduction death asexual reproduction Plants that produce flowers are called _________ . gymnosperms angiosperms ferns mosses Angiosperms A(n) _______ is a structure containing egg cells. anther pistil petal ovary ovary A ______ is a tiny leaflike structure inside a seed of an angiosperm. frond leaf cotyledon pistil cotyledon A pine tree is an example of a __________ . angiosperm gymnosperm conifer both b and c both gymnosperm and conifer The fibers that anchor mosses and liverworts in one place are called _____________ . roots rhizoids fronds stamens rhizoids The immature plant inside a seed is a ______________ . baby seed fruit seed coat embryo embryo Anything in the environment that produces a response is called a ____. responser stimulus stimulant instigator stimulus A _____ contains an undeveloped plant and stored food for the young plant. seed ovary pistil stamen seed A mature ripened ovary of a plant is a called a _____ . egg fruit stamen leaf fruit A(n) _____ helps a living thing to survive in its environment. embryo rhizome adaptation seed coat adaptation An underground stem of a fern is called a _____ . root rhizome stem cotyledon rhizome A growth response of a plant toward or away from a stimulus is a _____. adaptation response experiment tropism tropism The transfer of a pollen grain to the egg-producing part of a plant is called _____ . fertilization asexual reproduction pollination growth pollination Which is NOT true of mosses and liverworts? They are nonvascular plants. They are very small plants. They have a complex root system. They grow from spores. They have a complex root system. What advantage do the needles of a conifer tree provide? They prevent animals from eating the tree. They lose less water than wide leaves. Their smell attracts insects. They help the tree retain heat in cold climates. They lose less water than wide leaves. Which is true of auxins, the chemicals inside plants? They cause different kinds of tropisms. They work on all parts of a plant. They stimulate plant growth. All of the above. All of the above. What part of a flower holds the pollen grains? pistil anther ovary petal anther Which of the following is not true of dicots? They have parallel leaf veins. They have two cotyledons. Their vascular system is arranged in rings. Their flower parts are in multiples of four or five. They have parallel leaf veins. You will also need to know: How plants react to sunlight. The order of steps in the life cycle of a fern. (interpreting a diagram) How a seed develops once a flower has been pollinated. At least 3 examples of plant adaptations.