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PVES Week 3
Life Processes and Living Systems
| Question | Answer |
|---|---|
| Plants can be divided into 2 groups. Those that produce ____________ and plants that produce ________________. | Seeds and Spores |
| Plants with stems, roots, and flowers reproduce with using_______. | Seeds |
| Reproduction is possible in plants without seeds because of the tiny bits of plant life or ______________. | Spores |
| ___________ is the process by which pollen is transferred from the stamen to the stigma. | Pollination |
| What are the 4 plant parts involved in reproduction? | Pistil, Stamen, Stigma, Sepals |
| What is the “male” part of the flower involved in reproduction? | Stamen |
| What is the “female” part of the flower involved in reproduction? | Pistil |
| Pollen is produced in what part of the flower? | Stamen |
| The part of the pistil that receives the pollen is the ____________. | Stigma |
| What are the small leaves that form the housing around the developing flower? | Sepal |
| When a male plant cell fertilizes a female plant cell, a seed that contains a young plant is produced. This young plant is called an ___________. | Embryo |
| What two types of plants reproduce with spores? | Ferns and Mosses |
| What is the process by which plants use the sun’s energy to make food (sugar)? | Photosynthesis |
| The green pigment in the leaf of a plant that absorbs light energy from the sun is ______________. | Chlorophyll |
| What are the 2 gases involved in photosynthesis? | Carbon Dioxide and Oxygen |
| The gas used by plants during photosynthesis is _________________. | Carbon Dioxide |
| The gas released into the air during photosynthesis is _____________. | Oxygen |
| The part of the plant that provides support and allows for the movement of water and nutrients through the plant is the ____________. | Stem |
| What part of the plant produces food? This is where photosynthesis occurs. | Leaf |
| Which part of the plant anchors the plant in the ground and takes in water and nutrients from the soil? | Roots |
| What is the dusty, orange substance produced by the stamen? | Pollen |
| The period of suspended life processes brought on by changes in the environment is called ____________. | Dormancy |
| The protective outer seed coat that is resistant to physical damage is ________. | Epidermis |
| The epidermis contains waxes and oils to protect against __________. | Water Loss |
| An embryo begins as a single cell or _________. | Zygote |
| The embryo is nourished by a special tissue called _________. | Endosperm |
| Three examples of plant adaptations are _________. | Dormancy, response to light, response to moisture |
| The way living things and nonliving things interact with each other is called an _______________. | Ecosystem |
| Any living thing is an __________. | Organism |
| Every organism goes through various stages of life (egg, tadpole, frog). This is called a ___________________. | Life Cycle |
| An organism that changes to suit its environment, ____________ to meet their individual needs for survival. | Adapts |
| Adaptations of organisms are important because they help organisms meet ____________. | Life Needs |
| Structural adaptations are __________________ characteristics of an organism. | Physical |
| Behavioral adaptations are the _______________ that an organism performs. | Activities |
| The color of an animal that helps it blend into the surrounding environment is an example of a _________________ adaptation. | Physical |
| An animal migrating to a warmer climate in the winter is an example of a __________________ adaptation. | Behavioral |
| ___________________ allow an organism to be successful in a given environment | Adaptations |
| Populations of species that live in the same place at the same time is a __________________. | Community |
| The sun’s energy cycles through ecosystems (from producers, through consumers, and back into the nutrient pool through decomposers). This is called a _______________. | Food Web |
| Organisms, such as grass, that uses the sun’s energy to make food are ____________________. | Producers |
| Organisms that eat green plants or animals are ________________. | Consumers |
| Organisms that break down dead plants and animals then use them for food are ______________________. | Decomposers |
| The greatest amount of energy in a community is in the ______________. | Producers |
| Within a community, organisms are dependent on the survival of other _________________. | Organisms |
| _____________ is passed from one organism to another. | Energy |
| Everything an organism does and everything an organism needs in its environment and the part that the organism plays in the food web is that organism’s _______________. | Niche |
| The organization of a community is defined by the ___________ within it. | Niches |
| How many organisms can occupy the same niche? | One |
| An organism’s niche may change at different stages of its __________________. | Life Cycle |
| An organism’s habitat provides what 4 things? | Food, Water, Shelter, Space |
| The size of an organism’s habitat depends on that organism’s ____________________. | Needs |
| A ____________ is the place or kind of place in which an animal or plant naturally lives. | Habitat |
| Do Humans have a major impact on ecosystems? | Yes |
| Recycling has a __________ impact on an ecosystem? | Positive |
| Cutting down a forest has a _________ impact on an ecosystem? | Negative |
| All organisms of the same species that live in the same place at the same time are a – | Population |
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