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PVES Week 3

Life Processes and Living Systems

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
Created by: pves
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