The Calvin Cycle Worksheet Section 6-2 Review – Students are taught about the life cycles of different creatures. A butterfly’s lifecycle can be compared with that of a shark. They can also learn about the life cycle of an amphibian. This worksheet can help students learn how animals live. Students can complete the worksheet independently and as a class.
Life cycle of a human
The human life cycle begins at fertilization when the egg cell of a woman fuses with a sperm cell of a man. The sixth day is when the single cell splits into several smaller cells that burrow into the mother’s womb. These cells begin to form three layers and then bend into an embryo. They also start to differentiate and create the fetal nervous and circulatory systems.
The human body and brain undergo a number of changes during this time. Although some differences exist between humans and apes, the basic life cycle of both is the same. For example, humans develop an erect body and show off their movable hands, whereas apes develop great cognitive talents. The food we eat supports a host of changes in the human body and brain after conception.
The human life cycle is organized around a series developmental stages and age groups. It also includes an infancy period. The average life span of a human is about seventy to eighty years, but this can vary widely depending on the health of the individual.
The life cycle of a butterfly
The Life cycle of a butterfly begins with the butterfly’s egg. This egg contains the nutrients the caterpillar needs to survive. Most butterflies lay their eggs on leaves. The eggs can be small, round, oval or cylindrical. Monarch butterflies lay eggs on the undersides of plant leaves. They can be either smooth or wrinkled. The eggs hatch within a few weeks.
Once the butterfly has emerged from the pupa, it pumps its blood into its wings. Within a few hours the wings will be fully developed and the butterfly can fly. After the wings are fully developed, the butterfly will begin to search for food and a partner. Once it has found a mate, it will lay eggs on a leaf.
The next stage is the adult stage. The butterfly lays eggs every year in spring, summer and fall. The female butterfly lays a large number of eggs at one time. The eggs may be small. The egg is the basis for the development of the caterpillar (also known as the larva). It eats continuously during this period and sheds its skin up to five times. It also stores food, which will be used by the adult butterfly.
Life cycle of a shark
Sharks have an extremely long life cycle. They can live for up to fifteen years. Most sharks are born in coastal areas and remain close to the area where they were born until they are fully grown. During this time, sharks grow, mature, and reproduce. Sharks have two claspers, which allow them to grab onto a female and insert sperm.
The eggs and sperm are incubated by female sharks for several months before they reach full term. The young sharks remain inside the mother for a year and a half before they are born alive. Cannibalism is a behavior in which a shark’s first pup is alive and eats other pups or eggs. These ovoviviparous species have a variable gestation period, which can vary from several months to up to two years. Asexual reproduction is also possible in some species.
Sharks are extremely sensitive to sound waves and have exceptional hearing. The dorsal fins on their heads are located on either side. The lateral line system is made up of narrow canals filled with water that are attached to nerves that transmit signals to the brain.
Life cycle of an amphibian
The life cycle of most amphibians is complex, with a larva becoming an adult and then a larva becoming a larva. These life cycles are governed by hormones and the environment. The primary morphogens of amphibians are thyroid hormones and corticosteroids, which are produced by interrenal cells. They are dependent on inputs from the hypothalamus as well as the pituitary and pituitary. Ultimately, the hypothalamus regulates the activity of both the thyroid gland and the pituitary gland.
Amphibians are unique in their life cycles. They can reproduce in both water and on land. The life cycle of a frog begins with sexual reproduction, in which the male entices the egg-carrying females to mate. The females then release their eggs into the water where the males fertilize them with sperm. External fertilization is the most common method of reproduction for amphibians.
Many species of frogs lay eggs in calm water which protects them against predators. However, some species stay with the eggs to care for them. Once fertilized, the eggs begin to split into more cells, taking on the form of a tadpole. Within one to three weeks, the tadpoles are ready for hatching.
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