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Environmental changes cannot cause problems for animals.
This is a false statement. Environmental changes can cause significant problems for animals. If humans cut down a forest to build a new neighborhood, animals are displaced, maybe without homes, or food sources are lost. These would be terrible changes to the environment that would have long-lasting effects on animals.
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Birds that are migrating to California usually stop along the way to rest, eat, and drink water. The birds head to California to get away from the frigid weather in Canada. They would not survive without migrating. This year as the birds land at their usual stopping points, they notice it is hotter and dryer than average. As humans, we realize we are in a drought, but the birds do not know this. They are struggling to make the rest of the journey because it is too hot, and there is no water to drink.
How could the animals adjust their behaviors because of the environmental changes?
The birds are facing more than one problem caused by the environment in this scenario. They have to get to California to stay out of the cold weather in Canada, but there is nowhere to rest with food and water on their current route. The birds may have to change their course to avoid the drought-ridden areas to survive the migration.
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What is a negative effect that an environmental change may have on an animal?
Animals can suffer adverse consequences that require them to change their behavior to survive. If animals are used to crossing through a wooded area to get to a food or water source, they will continue to do so even after a road or neighborhood is built. Animals will have to change this behavior to avoid being hit by vehicles.
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What does the term environmental change mean?
An environmental change is a disturbance that causes changes. It can be human-made or something caused by nature. It can cause plants and animals to adjust and adapt their behaviors to the new environment to survive.
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Which answer choice is an example of a change that an animal would NOT be able to make due to the environment changing?
Animals often have to change their behaviors to adapt to changes in the environment. Bats would not be able to improve their eyesight to locate more insects suddenly. Bats have poor vision and use echolocation to find food; they cannot control their sight to make it easier for locating bugs. This is a change that they would not be able to do.
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Polar bears hunt seals through holes in the sea ice. They travel from great distances across sheets of frozen water to find seal colonies. The seals rest on the ice in large groups and raise their pups. When the seals go out to hunt fish they slip into the water from the edge of the ice.
If temperatures rise and the ice begins to melt, what impact could there be for the seals?
Animals may have to change when there are environmental changes that impact their lives. In the case of the seal dealing with the difference in the amount of sea ice, the change would need to be huge to survive. Seals rely on the sea ice for raising their pups and escaping polar bears, so they would either need to adapt and change their offspring-rearing techniques or find another place to live. These changes would be challenging, and the seals may not survive.
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Environmental changes will only affect animals if they make temperatures warmer.
This is a false statement. Environmental changes can cause significant problems for animals. These effects are not solely because of temperatures rising. If temperatures dropped and animals were not well-adapted or equipped to deal with the change, they may not survive. If forests are cut down, droughts occurred, or massive flooding engulfed an area, animals would be affected. These would be terrible changes to the environment that would have long-lasting effects on animals.
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Birds that are migrating to California usually stop along the way to rest, eat, and drink water. The birds head to California to get away from the frigid weather in Canada. They would not survive without migrating. This year as the birds land at their usual stopping points, they notice it is hotter and dryer than average. As humans, we realize we are in a drought, but the birds do not know this. They are struggling to make the rest of the journey because it is too hot, and there is no water to drink.
What will most likely happen to the birds because of the severe drought?
The birds are facing more than one problem caused by the environment in this scenario. They have to get to California to stay out of the cold weather in Canada, but there is nowhere to rest with food and water on their current route. The birds will likely not make the journey and die if they do not have access to water. It is improbable that the birds will make the trip back home due to exhaustion, and they cannot dig into the ground for water sources.
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What is a positive effect that an environmental change may have on an animal?
Animals can suffer adverse consequences that require them to change their behavior to survive, but there are also positive effects of environmental changes. "Jackson's Boy Scout troop installed new bat houses in the local park" is the correct answer because this adds shelter for bats, which is positive, and it will bring more bats to the area to eat pesky insects.
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Which answer choice is an example of a change that an animal would be able to make due to the environment changing?
Animals often have to change their behaviors to adapt to changes in the environment. Cats would be able to hide under cars to escape a thunderstorm and stay dry. This is a change that they would be able to do. The other answer choices are improbably or impossible for animals to do.
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Kathryn planted beautiful tall shrubs in her backyard to create a shady area to sit and read her books. After a few weeks, she notices that her sunflower plant stems are leaning to the left as opposed to standing straight. She sees the leaves just barely reaching the sunlight, and the rest of the plant is engulfed in the shade. A few more weeks pass, and the plants are leaning even more to the left! This time their leaves are almost entirely in the sunshine.
How and why did the plants change in response to the difference in their environment?
Kathryn did not realize when she planted the shrubs in her yard that she would not only shade her reading spot, but she would change the environment for her sunflower plants too. The plants were covered in shade, and they need sunlight to make their food. The plant cannot get up and walk away because they have rooted in the soil, so instead, the stem and leaves lean in the direction of the sunlight. Over time the plant can lean far enough to collect the sunlight it needs.
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Plants will open their leaves during the daytime to collect sunlight. At night they will close their leaves up to conserve water.
What environmental change is causing the plants to react and make a change?
The plants are reacting and making a change based on their environment and the changes happening around them. The plants are responding to the daily cycle of light and dark. This environmental change causes the plants to open or close their leaves, and it is done daily.
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Chloe added some new plants to her garden that she got from a friend. She noticed within a few days, her plants were getting brown spots, and the leaves were wilting. She saw spots like this on her friend's plants but didn't think anything of it. She researches it and thinks her plants might be sick.
What environmental change may have caused this problem with her plants?
Chloe's plants have experienced an environmental change with the introduction of new plants. Chloe mentioned that she noticed spots on the plants she brought home but didn't pay much attention. This is a clue that the new plants were probably already sick. This type of environmental change is common in forests and natural areas as well. People plant invasive plants that wipe out notice plants or accidentally bring home diseased plants, and it spreads through the plants that are already living there.
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Environmental changes can cause problems for plants.
This statement is true. There are environmental changes that can cause problems or adverse effects on plants. If diseased plants are brought to a garden of healthy plants, the sickness can be spread through all of the plants. New roadways being built can cause trees to be cut down, and that would be a significant problem for the plants.
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Fruit and vegetable plants rely on pollinators to spread pollen from flower to flower for reproduction. To make new plants, the pollen has to be transported.
What changes may occur to the plants if there are no pollinators?
Plants rely on pollinators for reproduction. Bees, bats, hummingbirds, and other pollinators will move from flower to flower, and the pollen will get stuck to them. When they land on the next flower, the dust will transfer. Seeds are spread, and new plants form. Without pollinators, there would be significant consequences for the plant's future. Eventually, there will be no more fruit and vegetable plants because of the lack of pollinators.
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Which scenario below is an example of plants being affected by an environmental change?
All of these scenarios feature plants, but only one highlights a change in the environment, which in turn affects the plants. The tomato plants were deprived of water due to the drought, so they withered and died. Plants need water to survive, and the change in the environment negatively affected the tomato plants.
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Kathryn planted beautiful tall shrubs in her backyard to create a shady area to sit and read her books. After a few weeks, she notices that her sunflower plant stems are leaning to the left as opposed to standing straight. She sees the leaves just barely reaching the sunlight, and the rest of the plant is engulfed in the shade. A few more weeks pass, and the plants are leaning even more to the left! This time their leaves are almost entirely in the sunshine.
What difference(s) in the environment caused the plant to change?
Kathryn did not realize when she planted the shrubs in her yard that she would not only shade her reading spot, but she would change the environment for her sunflower plants too. The plants were covered in the shade, and they need sunlight to make their food. The plant cannot get up and walk away because they have rooted in the soil, so instead, the stem and leaves lean in the direction of the sunlight. Over time the plant can lean far enough to collect the sunlight it needs.
Kathyrn changed the amount and direction of sunlight in her backyard. The sunflower plants had to lean to collect sunlight because of the shade that the shrubs were casting. The plants changed their behavior and physical placement to adapt to the new surroundings.
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Plants will open their leaves during the daytime to collect sunlight. At night they will close their leaves up to conserve water.
This statement is an example of plants changing due to the environment.
The statement in the question is correct. Plants reacting to the presence of sunlight or lack of the sun is a change in the environment, and the plants are adapting as necessary. The plants are reacting and making a change based on their environment and the changes happening around them. The plants are responding to the daily cycle of light and dark. This environmental change causes the plants to open or close their leaves, and it is done daily.
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Chloe added some new plants to her garden that she got from a friend. She noticed within a few days, her plants were getting brown spots, and the leaves were wilting. She saw spots like this on her friend's plants but didn't think anything of it. She researches it and thinks her plants might be sick.
What could Chloe have done differently to keep the plants from changing?
Chloe's plants have experienced an environmental change with the introduction of new plants. Chloe mentioned that she noticed spots on the plants she brought home but didn't pay much attention. This is a clue that the new plants were probably already sick. This type of environmental change is common in forests and natural areas as well. People plant invasive plants that wipe out notice plants or accidentally bring home diseased plants, and it spreads through the plants that are already living there.
Chloe should have kept the plants separate and not introduced them into the same environment until the new plants were no longer sick.
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Fruit and vegetable plants rely on pollinators to spread pollen from flower to flower for reproduction. To make new plants, the dust has to be transported.
Which answer choice(s) represent an environmental change that may affect the flowering plants?
All of the presented answer choices would affect the flowering plants. A drought would mean no water, which could be devastating for the plants because they rely on water to stay hydrated. Wildfires would wipe out the plants in the area, and they would be forced to regrow from the beginning of their life cycles. If there is an increase in pests in the habitat, the plants may be eaten or damaged, causing a negative effect.
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