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.

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.

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.

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.

植物依靠传粉者进行繁殖。蜜蜂,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.

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.

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.

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.

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.