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Flowering and non-flowering plants

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  • What job do sepals do for a flower?
    they use bright colors to attract bees and butterflies
    they hold the plant roots tight in the mud
    they wrap around and protect the flower bud before it opens
    they make yellow pollen grains for the plant
  • What is the job of the sticky top part of the pistil called the stigma?
    to create pollen grains inside small pouches
    to catch pollen grains carried by wind or bugs
    to stand up straight and hold petals together
    to make sweet sugary nectar for hungry bees
  • How does wind help non-flowering plants like ferns and mosses?
    it carries heavy seeds across long distances
    it moves pollen directly from male cones to female cones
    it splashes water drops onto leaves for energy
    it blows lightweight spores to brand new places to grow
  • Which part of a flower grows bigger and turns into a delicious fruit?
    ovary
    sepal
    petal
    stamen
  • What happens during pollination?
    a seed sprouts out of the dark wet soil
    the ovary turns into a big sweet fruit
    spores fly off fronds into the cool air
    pollen lands on the sticky female part of a flower
  • How does stored food inside a seed help a baby plant?
    it gives the baby plant energy to grow until its first leaves catch sunlight
    it helps the seed float away in strong wind currents
    it lets the seed soak up light while buried in dark dirt
    it invites insects to carry the seed deep underground
  • Where can you find the tiny dots that release spores on a fern?
    inside the hard woody cones
    on the very tip of the flower petals
    deep under the ground on the roots
    underneath the leafy fronds
  • Which plant group makes seeds but never grows any flowers?
    ferns
    conifers
    mosses
    liverworts
  • Why do pine trees make huge clouds of yellow pollen in the wind?
    flowers produce less pollen because insects eat most of it
    pine cones need bright pollen colors to guide the wind
    wind blows randomly so making lots of pollen helps some reach female cones
    flowering plants are not able to use wind at all
  • What helpful trick do flowering plants use to get animals to spread their seeds?
    they hide seeds inside tasty fruits that animals love to eat
    they make sticky spores that glue onto animal feet
    they float on water until animals drink them up
    they drop heavy cones that animals bury in dirt
  • Why do some flowers open at night with white petals and strong sweet smells?
    to soak up bright moonlight during midnight hours
    to keep pollen warm from cold night breezes
    to attract night flyers like moths and bats in the dark
    to scare away animals that want to chew on stems
  • Why do mosses stay very small and live in wet areas?
    their leaves are too thick to take in air
    they cannot make food when the sun shines bright
    they do not have internal tubes to pump water up to tall branches
    they produce heavy seeds that fall straight down
  • What is one thing that pine trees and orange trees have in common?
    both drop all their leaves every single winter
    both use tiny spores instead of seeds
    both make seeds to grow new offspring plants
    both use bright sweet flowers to pull in bees
  • How is a spore different from a seed?
    spores grow inside flowers while seeds grow on green leaves
    spores always turn into apples while seeds turn into pine cones
    spores are only carried by large animals while seeds only float in wind
    spores are single tiny cells without extra food while seeds hold baby plants with stored food
  • Which group of plants uses flowers and fruits to make and protect their seeds?
    mosses
    ferns
    flowering plants
    non-flowering plants
  • Why is making seeds better than making spores for many plants?
    seeds are always produced in much bigger numbers than spores
    seeds are much lighter so wind carries them miles further
    seeds carry packed food to help the baby plant start growing
    seeds can grow easily without needing sunlight or water
  • Which non-flowering plant lacks true roots or leaves and soaks up water directly like a sponge?
    cycad
    moss
    pine tree
    fern
  • How is an apple tree different from a pine tree?
    an apple tree makes seeds inside fruits while a pine tree makes seeds inside cones
    an apple tree does not have real leaves or roots
    an apple tree uses spores while a pine tree uses seeds
    an apple tree relies on wind while a pine tree only uses bugs
  • If a plant has leafy fronds with rows of tiny dots underneath how does it make new plants?
    by dropping heavy pine cones on the ground
    by growing sweet berries for birds to eat
    by making yellow pollen for honeybees
    by shooting microscopic spores into the wind
  • What must happen inside a flower before a new seed can start to grow?
    spores must be blown out into the sky
    petals must fall off and turn into green leaves
    roots must grow deeper into the dark soil
    pollen must join with an egg cell inside the flower
  • Which flower part makes the powdery pollen grains?
    pistil
    root
    stamen
    sepal
  • Why do many flowers make sweet liquid called nectar?
    to give visiting animals a tasty treat so they carry pollen around
    to catch floating spores drifting in the wind
    to feed the tiny seeds growing deep inside the flower
    to poison dangerous bugs that try to eat the stem
  • What is the main goal of both a spore-making fern and a fruit-making apple tree?
    to steal water and dirt away from nearby animals
    to change soft flowers into hard wooden branches
    to make forests look pretty and colorful
    to make new young plants so their species keeps living
  • What weather would make it very hard for mosses to reproduce?
    a shady wet forest floor
    a long hot drought with no rain
    a damp riverbank covered in mist
    a rainy day with lots of moisture
  • How can you tell a plant is an angiosperm instead of a gymnosperm?
    it lacks tubes to move water from roots to leaves
    it grows flowers and wraps its seeds inside fruits
    it has sharp needles that stay green all year long
    it uses tiny spores instead of seeds to reproduce
  • Why are pine trees called non-flowering plants even though they have seeds?
    they reproduce with spores instead of male and female plant parts
    they never need wind or bugs to move their pollen
    their needles stay green through cold winters
    their seeds sit exposed on cone scales instead of inside flowers or fruits
  • How are ferns different from mosses?
    ferns use seeds to reproduce while mosses use flowers
    ferns grow seeds in cones while mosses grow soft fruits
    ferns do not need any water to grow while mosses do
    ferns have special tubes inside to carry water while mosses do not
  • Why do non-flowering plants like ferns and mosses need water or damp places to reproduce?
    water helps them grow bright colorful petals
    their spores will die if they touch any water
    they must soak their seeds in water before planting them
    their tiny swimming cells need water to swim and meet each other
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