Answer:
Pollen grains are also adapted for insect pollination. Some pollen grains are hairy or spiky, and others are sticky, so they attach to the insect. The anthers dangle in the breeze, and the pollen is blown away. The pollen grains are very small and light so they are easily carried on the wind.
Explanation:
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<span>Tissues are made up of groups of cells that all have a similar function and structure.
</span><span>Different species of plants and animals have different types of cells and thus different types of tissues, organs and systems. In humans and other animals, there are four main types of tissues: connective, muscle, nerve and epithelial. Each of these groups can be further broken down, as there are a number of different tissues within each family. For instance, the human body contains three different types of muscle tissue and two types of nerve tissue. Furthermore, blood, bones and cartilage are all types of connective tissue.</span>
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Below the crust is the mantle, a dense, hot layer of semi-solid rock approximately 2,900 km thick. The mantle, which contains more iron, magnesium, and calcium than the crust, is hotter and denser because temperature and pressure inside the Earth increase with depth.
He finished his extensive experiments with pea plants before and concluded his 5-part- hypothesis.
Answer:
TT
All tall
Explanation:
If an organism is purebred, that means it is homozygous. That means, it contains two copies of the same allele (trait) at this particular gene. Lets denote the tall allele as T. That means the plant is TT, and purebred tall.
No matter what genotype (i.e. what 2 alleles) another plant has, the offspring will always be tall. That is because it will always inherit one T from the TT parent. Even if we cross it to a tt plant, all the offspring would be Tt. They would be heterozygous, but they would be tall.