Rock Cycle Reading Comprehgension Worksheets – Students are taught about the life cycles of different creatures. For example, a butterfly’s life cycle can be compared to the life cycle of a shark. Students can also learn more about the life cycle and habits of amphibians. This worksheet will help students understand how animals live. The worksheet can be completed by students individually or in a group.
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. On the sixth day, the single cell divides into a series of smaller ones that burrow into the mother’s womb. These cells form three layers and begin to bend into a complex shape called an embryo. They also start to differentiate and create the fetal nervous and circulatory systems.
During this period, the human brain and body undergo many changes. 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. A human body and brain undergo a variety of changes after conception, which are supported by the food we eat.
A human life cycle is structured around a series of developmental stages and age groups. It also includes an infancy period. A human’s average life expectancy is approximately seventy-eighty years. However, this can vary depending on their health.
Life cycle of a butterfly
The egg is the first step in the life cycle of a butterfly. The caterpillar’s needs are met by the egg. Most butterflies lay their eggs on leaves. The eggs can be small, round, oval or cylindrical. Monarch butterflies lay their eggs on the underside 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. After a few hours, the wings will fully develop and the butterfly will begin to fly. Once the wings have grown, the butterfly will search for food and a mate. After finding a mate, the butterfly will lay eggs on a leaf.
The next stage is the adult stage. The butterfly lays eggs in spring, summer, and fall. The female butterfly lays a large number of eggs at one time. Although the eggs are small, they can be very large. The caterpillar, also known as the larva, develops from the egg. During this time, it eats continuously and sheds its skin four or five times. It stores food for the adult butterflies.
Sharks live a long life
Sharks live a very long life span. Sharks can live up to 15 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. Two claspers allow sharks to grasp onto females and insert sperm.
The eggs and sperm are incubated by female sharks for several months before they reach full term. The mother keeps the young sharks inside for about a year before they are born. 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 have excellent hearing and are able to detect incoming sound waves from their prey. 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. Hormones and the environment control these life cycles. 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 have unique life cycles and a unique ability to reproduce in two environments – on land and in water. The life cycle of a frog begins with sexual reproduction, in which the male entices the egg-carrying females to mate. The females release their eggs into water, where the males fertilize with sperm. Most species of amphibians reproduce by external fertilization.
Many species of frogs lay eggs in calm water which protects them against predators. Some species, however, stay with the eggs to care. Once fertilized, the eggs begin to split into more cells, taking on the form of a tadpole. The tadpoles hatch within one to three weeks.
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