Identifying pollen is difficult without a magnifying glass because of the small size. Pollen is shaped differently depending on the type of plant from which the pollen originates. For example, the pollen produced by Entomophilous plants is a sticky, protein-rich pollen attractive to bees–it is...
What role does paragraph 5 play in the passage? A. It offers various kinds of evidence for the protectionist view. B. It presents the study that first proved that ants benefit plants. C. It explains how insects find sources of nectar. D. It presents information that partly contradicts the...
Is a pollen grain another term for a microspore? If not, what is another name for a plant's microspores? Tree pollen, as well as the pollen from sedges and grasses, is usually windborne. Explain how the structure of grass and sedge pollen is different from the pollen found in plants ...
Seeds are formed when the male gametes contained in pollen come in contact with the female gametes (ovules) through a process called pollination. Many plants rely on pollinator animals such as a bees or butterflies to transfer pollen from the anther of one flower to the stigma of another flowe...
Plant-shaking is trendy, but what does it do for the plant? Houseplant lovers and gardening enthusiasts try this technique to make their plants grow and produce more. While it may seem like an all too convenient internet hack, there is some background logic that warrants giving your plant ...
根据第二段Therearemorethan120kindsoffoodanddrinksinside.Theyarerichinnutrition(营养),tastegoodandareeasytokeepforalongtime.(那里有120多种食物和饮料。它们营养丰富,味道好,易于长期保存。)可知,这些食物和饮料营养丰富。故选A。(2)词义猜测题。根据第三段pollentotheflowers(花粉到花上)可知,他们必须把花粉转移...
What economic and ecological services do honeybees provide? Which part of a plant is associated with the role of attracting pollinators? Are bees essential for plant reproduction? Honey bees engage in entomophily, pollination through pollen distribution, as part of the process to produce honey. ...
Each pollen grain is filled with male gametophytes of the plant. A gametophyte contains the genetic code, DNA, of the plant in one-half the amount. Once a pollen grain reaches and fertilizes the ovary of the female flower part, the two halves of the DNA code merge and form a viable ...
Perfect for the bat. The scent is strongest at night, a sign that bats are its key pollinator, although some birds and bees do visit this plant. It basically takes whatever help it can get! In traditional African herbal medicine, the fruit of the Sausage Tree is thought to cure many ...
When an adult butterfly lands on a flower to suck some delicious nectar through its proboscis, it accidentally gathers pollen on its body as it rubs against the anther. The butterfly rubs some of the pollen on the next flower it moves to and collects some more. Through this process, the...