Explanation

An indehiscent integument megasporangium in the form of ovule is found in spermatophytes.

The ovule then forms the seed after fertilization

Explanation

Abiotic components refer to the non-living things in an environment, including:

• Physical elements: light, temperature, water, soil, air
• Chemical elements: minerals, nutrients, salts
• Geological elements: rocks, minerals, terrain

Explanation

• Carbon dioxide (CO2) is the gas from the atmosphere that plants absorb through their leaves.
• It use as a reactant in photosynthesis, combining it with water and light energy to produce glucose and oxygen.

Explanation

• The pupil is the small, circular opening in the center of the iris that appears as a black dot.
• It is the entrance point for light to enter the eye.
• It is responsible for controlling the amount of light that enters the eye by changing its size.

Explanation

• The cell wall is a thick, permeable layer that surrounds the plant cell.
• It provides support, protection, and shape.
• It is composed of cellulose, hemicellulose, and pectin.
• It is responsible for maintaining the cell's rigidity and structure.

Explanation

Dicot plants are characterized by:

• Leaves with netted venation
• Seeds with two cotyledons
• Flowers with four or a multiple of four floral leaves

Having leaves with parallel venation is actually a characteristic of monocot plants, not dicots.

Explanation

For diagnostic purposes, to reach the liver, a dye would typically be injected into the portal vein

Which supplies the liver with nutrient-rich blood from the gastrointestinal tract.

*

The ligamentum teres is a remnant of the fetal umbilical vein and does not serve as a current blood vessel.

Explanation

In rheumatoid arthritis, radiological findings commonly include bone erosions

Which can appear as bony spikes or irregularities at joint margins.

Explanation

• Cat is a secondary consumer because it eats primary consumers (birds and mice).
• Which are herbivores that eat plants and plant products.

Explanation

Sodium deficiency, also known as hyponatremia, can lead to:

• Imbalances in fluid volume in the vessels and tissues
• Fluid retention and swelling
• Muscle cramps
• Weakness
• Fatigue
• Seizures (in severe cases)