- What protects a seed while it is being dispersed?
- What happens when seeds are dispersed?
- Do all seeds germinate immediately after they are dispersed?
- How long can a seed lay dormant?
- What environmental conditions can trigger seed germination?
- What are 3 ways animals disperse seeds?
- What is always needed for germination?
- What would happen if there was no seed dispersal?
- What would happen if seeds of a plant are not able to disperse give two reasons?
- Is dispersal of seed necessary?
- What will happen if seeds do not receive the correct amount of water?
- How long can a seed survive?
What protects a seed while it is being dispersed?
Fruit is the part of the plant that protects seeds as they grow.
Fruits can be fleshy and juicy—like apples and oranges—or dry like nuts or peas.
Plants rely on animals and wind and water to help scatter their seeds..
What happens when seeds are dispersed?
Plants make seeds that can grow into new plants, but if the seeds just fall to the ground under the parent plant, they might not get enough sun, water or nutrients from the soil. To make sure at least some of the seeds land in a suitable growing place, the plant has to produce lots of seeds. …
Do all seeds germinate immediately after they are dispersed?
All seeds germinate immediately after they are dispersed. (h. The embryo uses its stored food to begin to grow.
How long can a seed lay dormant?
Many species of plants have seeds that delay germination for many months or years, and some seeds can remain in the soil seed bank for more than 50 years before germination.
What environmental conditions can trigger seed germination?
Abiotic factors such as drought, light, salinity, seed burial depth, soil pH, and temperature as well as disturbance events such as a fire, flooding or tillage can play an important role in initiating or inhibiting seed germination [3–4].
What are 3 ways animals disperse seeds?
Animals can disperse seeds by excreting or burying them; other fruits have structures, such as hooks, that attach themselves to animals’ fur. Humans also play a role as dispersers by moving fruit to new places and discarding the inedible portions containing the seeds.
What is always needed for germination?
Seeds remain dormant or inactive until conditions are right for germination. All seeds need water, oxygen, and proper temperature in order to germinate. Some seeds require proper light also.
What would happen if there was no seed dispersal?
If the seeds did not spread out, they would fall in the parent bed itself leading into struggle for water, minerals and sunlight. As a result, none of the plants would grow properly or survive.
What would happen if seeds of a plant are not able to disperse give two reasons?
If seeds are not dispersed in the atmosphere, there will be crowding of a species in the same locality. This would cause the plants or the seeds fighting with each other for their resources. The sunlight, water, and other nutrients from the locality should be shared between the trees if the same species.
Is dispersal of seed necessary?
Dispersal of seeds is very important for the survival of plant species. If plants grow too closely together, they have to compete for light, water and nutrients from the soil. Seed dispersal allows plants to spread out from a wide area and avoid competing with one another for the same resources.
What will happen if seeds do not receive the correct amount of water?
Answer. (i) Seeds need moisture (water) and air for sprouting. If the seeds do not get the right amount of moisture and air they will not sprout at all. (ii) Seeds spread to far places as they are carried away by birds, animals, air and water from one place to another place.
How long can a seed survive?
When kept in proper storage condition, many seeds can stay dormant for years beyond their recommended used by date. But there are a couple of factors that play into the viability of your seeds: Age — All seeds are viable for at least a year, with many others viable for definitely two years.