Answer:
Spawn is the eggs and sperm released or deposited into water by aquatic animals. As a verb, to spawn refers to the process of releasing the eggs and sperm, and the act of both sexes is called spawning. Most aquatic animals, except for aquatic mammals and reptiles, reproduce through the process of spawning.
Most fish reproduce by spawning, as do most other aquatic animals, including crustaceans such as crabs and shrimps, molluscs such as oysters and squid, echinoderms such as sea urchins and sea cucumbers, amphibians such as frogs and newts, aquatic insects such as mayflies and mosquitoes and corals, which are actually small aquatic animals—not plants. Fungi, such as mushrooms, are also said to "spawn" a white, fibrous matter that forms the matrix from which they grow
(Courtesy, www.wikipedia.com, Article: Spawn)
Answer:
They are important areas where oxygen can pass through to the developing brain in infancy
Explanation:
Fontanel is a structure that is present in the skull of human infants and it compromises of soft membranous gaps known as sutures.
The function of the fontanels is as follows:
1. To allow stretching of the neurocranium and also allow its deformation during the rapid expansion of the brain.
2. To flex the skull of the infant so that it can easily pass through the birth canal at the time of delivery.
There are 6 fontanels present in the brain -
A. Present at the sides of the head.
B. The anterior fontanel.
C. The posterior fontanel.
D. lateral fontanels.
Biology is a branch of science that deals with living organisms and their vital processes. Biology encompasses diverse fields, including botany, conservation, ecology, evolution, genetics, marine biology, medicine, microbiology, molecular biology, physiology, and zoology.
the layer on the top. the layer with the most minerals.
