Explanation

Almost all organs are completely formed by about 10 weeks after fertilization (which equals 12 weeks of pregnancy).

The exceptions are the brain and spinal cord, which continue to form and develop throughout pregnancy.

Most malformations (birth defects) occur during the period when organs are forming.

Explanation

• Photosynthesis requires two main materials: Water (H2O) and Carbon Dioxide (CO2), in addition to Light Energy.
• Water is the source of hydrogen atoms, which are used to synthesize glucose and other organic compounds.
• While Carbon Dioxide provides the carbon atoms.

Explanation

• Chlorophyll is a green pigment found in plants, algae, and cyanobacteria that plays a crucial role in photosynthesis.
• It traps sunlight and uses the energy to convert carbon dioxide and water into glucose and oxygen.

Explanation

• Yeast fermentation converts sugars into carbon dioxide gas and ethanol.
• It causing the dough to rise.

Explanation

• The correct answer is: Mammal → Shark
• Sharks are actually fish, not mammals.
• The correct example for mammals would be: Mammal → Human, Lion, Elephant, etc.

Explanation

• Reptiles are a group of animals that have dry, scaly skin, are cold-blooded, lay their eggs on land, and live in both water and on land.
• Examples: snakes, lizards, spider, tortoise, turtles, and crocodiles.

Explanation

• Fish are aquatic animals that live in water, have fins instead of legs, lay eggs in water, have a body covered in scales, and breathe using gills.
• They are a group of cold-blooded vertebrates that are well adapted to life in water.

Explanation

• Mould is a type of fungus that is a decomposer.
• It breaks down dead organic matter.
• Such as plant material, into simpler compounds, releasing nutrients back into the environment.

Explanation

Vitamin A deficiency can cause Night Blindness, as well as other health problems such as:

• Dry skin and eyes
• Impaired immune function
• Poor wound healing
• Increased risk of respiratory and urinary tract infections

Explanation

The life cycle of a bean plant:

• Seed: The plant begins as a seed, containing the embryo and stored food.
• Germination: The seed absorbs water, sprouts, and grows its first roots and leaves.
• Leaf growth: The plant develops its leaves, stems, and roots, and begins to photosynthesize.
• Flowering: The plant produces flowers, which contain the reproductive organs and allow for pollination.