Answer:
1 true
Air-filled sacs in the pollen grains of pine trees allow pollen to travel farther through the air. ... Each pollen grain is attached to two or three air-filled sacs, or sacci, which develop from the outer layer of the pollen
2 true
process of meiosis involves two divisions of the genetic material. The first division is called the reduction division – or meiosis I
3 false
When a grain of pollen reaches the stigma, it creates a pollen tube for the sperm to journey down the style and fertilize the ovule; fertilized ovules become seeds. Fertilization is the death of the flower, as the petals drop or wither at this point and the ovary starts to enlarge and ripen into what we know as fruit.
Answer:
The most important organelle in a cell is the nucleus. Because it contains DNA which is in control of directing all the activities of a cell. And all the RNAs needed for the cell are synthesized in the nucleus
Explanation: I’m doing the DBA now
Answer:
hii
Explanation:
<h3>Skin has three layers: The epidermis, the outermost layer of skin, provides a waterproof barrier and creates our skin tone. The dermis, beneath the epidermis, contains tough connective tissue, hair follicles, and sweat glands. The deeper subcutaneous tissue (hypodermis) is made of fat and connective tissue.</h3>
Answer:
A
Explanation:
Before domestication of animals, these animals were wild and early humans used to hunt for food. The hunting process was not always successful and took a lot of energy from the body. Domestication of these animals made food available and other conveniences. An example is cows that emanated from the domestication of wild aurochs. They provided the milk and meat for humans and also labored in the farm in the cultivation of domesticated plants.
I think dr. Powell is a professional in the field of :
Clinical psychology
Clinical psychology is a branch of the field of psychology that focused on treating and diagnosing emotional, mental, and behavioral disorders.
