It should be 50/50 if the male would be Rr for heterogenous male red and the female rr for homogenous for white.
Predation
It can be explained in that way or also called Predatory/prey relationships.
Parasitism is when one is benefited and the other harmed (ie leech and human)
Commensalism is when one is benefited and the other not affected (Tree frog and rainforest tree)
Mutualism is when both are benefited (Bee eats honey and Flower is pollinated).
The answer is <span>xylem and phloem.
Xylem and phloem are the transport tissues of vascular plants. </span><span>Parenchyma and collenchyma are ground tissue, while pith and cortex are stem tissue.
</span><span>Xylem and phloem provide transportation of water, minerals, food, and nutrients. Xylem transport water and minerals from the root to the upper parts of the plant. Phloem transports food and nutrients from the leaves, where they are produced, to the growing or storage parts of the plants.
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Answer:
<u>Option-(D):</u>T cells attack antigens on foreign substances and B cells produce antibodies.
Explanation:
- The defense mechanism or we can say the immune system is divided into many layers of cells, as the primary protection for the human body is the integumentary system or simply skin and the rest of the defense lines follow up. As, there is a proper channel for the different molecules to pass through the body, while the pathogens or those hazardous molecules which are required to be removed are identified with the help of the B-cells and the T-cells kill or eliminates them to avoid any further damage to the human body.
- However, both of the cells are termed to be related to the interstitial spaces inside the human body, which is also called as the lymph and the cells are called as lymphocytes.