Biotic And Abiotic Factors Of Earth's Ecosystems: Question Preview (ID: 31251)

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Tulips are flowers that typically bloom in the Spring. How could tulips be forced to bloom in Winter?
a) By limiting pruning and trimming of the tulips.
b) By reducing water levels and nutrient uptake by the tulips.
c) By elevating oxygen levels and supplying organic matter to the tulips.
d) By increasing temperature and lengthening daylight for the tulips.

A student studies the population of salmon within a stream over a six week period. During week two the study, the stream was contaminated with toxic waste. What can we conclude about the population of the salmon in the stream after week two?
a) It increased significantly.
b) It decreased significantly.
c) It stayed the same.
d) It was not affected at all by the toxic waste contamination

How could acid rain affect the trees living in a forest?
a) It could strengthen the leaves of the trees in the forest.
b) It could alter the soil quality, adding toxins that harm the leaves.
c) It could remove chemicals in the soil that harm the trees in the forest.
d) It could change the soil quality, providing nutrients to the trees.

Which summarizes the order of energy flow in a food chain?
a) From the sun to decomposers to producers to consumers.
b) From the sun to consumers to decomposers to producers.
c) From the sun to producers to consumers to decomposers.
d) From the sun to producers to decomposers to consumers.

Which statement is incorrect?
a) The stamen is the female structure of the flower, and the pistil is the male structure
b) The stamen is the male structure of the flower, and the pistil is the female structure
c) Photosynthesis is necessary for the survival of all plants.
d) Pollination is an important part of the plant reproduction process

Which is a difference between cellular respiration and photosynthesis?
a) Cellular respiration takes in oxygen to make food, while photosynthesis releases oxygen as a waste product.
b) Photosynthesis takes in oxygen to make food, while cellular respiration releases oxygen as a waste product.
c) Cellular respiration produces food, while photosynthesis destroys food.
d) Photosynthesis produces food

What purpose do guard cells serve in a plant?
a) Guard cells help the plant to gather food to ensure its survival.
b) Guard cells prevent herbivores from consuming the plant.
c) Guard cells surround and control the opening of the stomata to regulate the process of transpiration.
d) Guard cells allow water to enter the roots, where the process of photosynthesis begins.

Why is the leaf of a plant able to contribute to the prevention of water loss?
a) The leaf takes in sunlight which moves the water through the plant to prevent it from being lost.
b) The epidermis provides an outer covering to the leaf with a waxy cuticle and a stomata, which help to prevent water loss.
c) The roots take in oxygen providing the leaf with the energy it needs to contain the water it collects.
d) D. The petal of the plant’s flower encases the leaves'’ water, thus eliminating the risk of water loss in the plant.

What plant part is responsible for the majority of photosynthesis?
a) The leaf
b) The stem
c) The flower
d) The root

How do roots support the survival of a plant?
a) By causing the plant to grow away from the Sun, so it does not overheat.
b) By gathering food for the plant to ingest.
c) By allowing water to enter.
d) By storing pollen which results in the reproduction of the plant cell.

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