According to paragraph 3, why do most deciduous wind-pollinated trees produce their pollen in the spring? A. To avoid competing with evergreen conifers, which flower in the fall or winter B. So that the leaves of the trees receiving the pollen will not prevent the pollen from reaching the...
[ii] We talk about nectar and pollen a lot, but why do plants produce these substances? In short: reproduction. Flowering plants have evolved structures to produce sugary nectar as a method of attracting pollinating animals to visit. Once they arrive, pollen grains from other structures in the...
8.According to paragraph 3, why do most deciduous wind-pollinated trees produce their pollen in the spring? A. To avoid competing with evergreen conifers, which flower in the fall or winter B. So that the leaves of the trees receiving the pollen will not prevent the pollen from reachi...
Fruits are made by flowering plants—the world’smost diverse plant group. The flower holds the plant’s reproductive parts: the stamen and carpel. Once a pollen grain comes in contact with the carpel, the plant is fertilized and fruit development begins. Parts of a flower. (Photo Credit :...
What is the primary reason why plants wilt? What do you see when a leaf and chlorophyll extract is held in the light? Why does lemon juice make green tea go colorless? What is the main reason plants die in winter by frost? Why do all flowers produce pollen, but not all produce nectar...
Why do angiosperms make less pollen than gymnosperms? Why do plants produce psychoactive compounds? Why is the epidermis important for plants? Why are some insects important for flowering plants?Explore our homework questions and answers library Search Browse Browse by subject Ask a Homework Questi...
In flowering plants, the male gametophyte is known as pollen, and the female gametophyte is the embryo sac. Geminivirus A group of single-stranded DNA viruses, characterized by gemiate caspid. They infect a wide range of plants and are usually vectored by insects. Meristem A group of self-...
Depending on the allergen, it can be difficult to know what is the root cause. For an allergic reaction leading to swollen breasts, it is possible you have used a new hygiene product in this area. Flea bites, some internal medicines or naturalsubstances such as pollenor mold can also lead...
What do insect pollinators need to be healthy? Mallinger:Aside from pollen and nectar, some insect pollinators require additional food sources. For example, butterflies in the caterpillar stage need foliage from their host plants. Other insect pollinators, like wasps and flies, are carnivores in ...
"Climate change and allergies are linked through the increasing greenhouse gases that cause changes in the environment and cause changes in how plants respond and produce pollen grains," she said. Cecilia Sierra-Heredia is an adjunct professor at the University of Britis...