They would be a community.
Answer:
Once the embryo sac has developed, pollination has occurred, and the pollen tube has grown into the ovary to make contact with the ovule, fertilization (fusion of egg and sperm) can occur.Typically, the pollen tube reaches the embryo sac via the micropyle (Greek, mikros + pyle = small opening), or opening, in the integuments of the ovule.. There, it discharges its sperm into the embry
Explanation:
The pollen tube enters into the ovule, through the micropyle. Inside the embryo sac, the tip of the pollen tube ruptures and the 2 male gametes are set free near the egg apparatus. Inside the embryo sac, one of the 2 male gametes fuses with the egg nucleus and forms a diploid zygote. This process is called syngamy or true fertilisation.
Answer: Natural resources are Earth materials used to support life and meet the needs of people. Any organic material used by humans can be considered as a natural resource. Natural resources include oil, coal, natural gas, metals, stone, and sand. Air, sunlight, soil, and water are other natural resources.
Or
Natural resources are resources that exist without any actions of humankind.
Answer:
E. provide foods and antibiotics.
Explanation:
sometimes microorgansims plays important role for human such as;
Bacteria;
- Present in our gut help to digest food and the gut of animal such sa cattle help to digest cellulose.
- Bacteria are used in the production of food products such as yogurt and cheese.
- Help in pest control such as <em>Bacillus thurigiensis.</em>
- Help in the production of certain medicines and supplement such as Insulin
Fungi;
- There are many mushrooms we can eat and fungi are also involved in the production of certain food products such as wine, bread.
- Fungi are involved in production of certain medicines such as penicillin is produced from Penicillium.
Answer:
'Rare earth elements are in the first column on the left' is not true.
Explanation:
The rare earth metals are 17 metallic elements in the middle of the periodic table. Atomic numbers 21, 39, and, 51-57.
