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Marchantia is a member of the Marchantiaceae, the Marchantia family. This family is one of many thalloid liverwort families or bryophyta. A thalloid liverwort is strap-like and often forms large colonies on the surface on which it grows. A liverwort is non-vascular green plant. Spirogyra is a green algae that is a member of the Thallophyta division. It is also known as water silk, mermaid's tresses, and blanket weed. Dryopteris, also known as wood ferns, male ferns, or buckler ferns, is a genus of ferns in the Dryopteridaceae family, of pteridophyta. Cycads are part of the order Cycadales and the division Cycadophyta, which are both groups of gymnosperms. Maize belongs to the group angiosperms. Angiosperms are plants that have a well-developed vascular system Only bryophytes(Marchantia) - I and Thallophytes (Spirogyra) - II are non- vascular, others have vascular systems. Therefore option A is the correct answer.

Spirogyra cells join together to form filaments. Spirogyra is a green algae that forms long, unbranched filaments. The filaments are made up of many cylindrical cells that are connected end-to-end. Spirogyra are unicellular organisms that connect to form multicellular filaments. To become long filaments, single spirogyra cells link together, end-to-end, forming strands up to several centimeters in length.

The cell membrane, also known as the plasma membrane, controls the movement of substances in and out of a cell. "cytoplasmic membrane" is the same as "cell membrane"; they are both terms used to describe the outer boundary of a cell that separates the cell's interior from the external environment, and it's also sometimes called the "plasma membrane". The cell membrane is a semipermeable lipid bilayer that surrounds the cell. It separates the inside of the cell from the outside environment. The cell membrane is selectively permeable, meaning it allows some substances to pass through but not others. The cell membrane regulates the transport of materials entering and exiting the cell.

The bursting of a red blood cell placed in a hypotonic solution is called haemolysis. A hypotonic solution has a lower solute concentration than the cell's contents. When a red blood cell is placed in a hypotonic solution, water moves into the cell.This causes the cell to swell and eventually burst.The process of a cell swelling and bursting is called haemolysis. Isotonic: An environment where the flow of water in and out of a cell is equal. Osmosis: The movement of water across a semipermeable membrane. Osmosis is important in maintaining homeostasis, which is the tendency of systems toward a relatively stable dynamic equilibrium. Crenation: The process of a red blood cell shrinking in size when placed in a hypertonic solution.

Root hairs in plants absorb water and nutrients from the soil and anchor the plant in the soil. Root hairs are threadlike cells that grow between soil particles. They increase the surface area of the root, allowing it to absorb more water.

If a germinating seed is attached horizontally to a revolving klinostat, the seedling will grow in a random or unpredictable direction, rather than the upward direction towards light (phototropism) or downward direction towards gravity (geotropism). This is because the klinostat constantly rotates, eliminating any consistent gravitational or light direction. As a result, the seedling's growth will not be influenced by these environmental cues, leading to a more disordered growth pattern, making the plumule and the radicle not showing any curvature.

Some species of Euglena have chlorophyll. Chlorophyll is found in the chloroplasts of Euglena, which are organelles that perform photosynthesis. Euglena are unicellular organisms that can be photosynthetic or heterotrophic. When there is enough sunlight, Euglena use chlorophyll a and b to produce sugars through photosynthesis.

A specie is a group of organisms that can interbreed and produce fertile offspring. Species are the most basic unit of biological classification.

A corm is a short, vertical, swollen underground stem of a plant that acts as a storage organ for food, typically starches, allowing the plant to survive through unfavorable conditions like winter or drought; essentially, it's a solid, fleshy bulb-like structure that differs from a true bulb by lacking layered scales and being entirely solid tissue inside; common examples of plants that grow from corms include crocus, gladiolus, and freesia.

The type of reproduction illustrated is binary fission.Binary fission is a type of asexual reproduction where a cell splits into two identical daughter cells. It's the primary method of reproduction for prokaryotic organisms like bacteria and archaea.

The illustrated organism is paramecium.Paramecium primarily reproduces asexually through a process called binary fission, where a single cell splits into two identical daughter cells; however, they can also reproduce sexually through a process called conjugation under certain conditions.

The correct answer is C. Thicker centrum. Lumbar vertebrae have several distinct features that differentiate them from thoracic vertebrae. Some of these features include: - Thicker and more robust centrum (vertebral body) - Shorter and more sturdy transverse processes - No costal facets (since lumbar vertebrae do not articulate with ribs) - Larger and more triangular vertebral foramen In contrast, thoracic vertebrae typically have: - Longer and thinner transverse processes - Costal facets for articulation with ribs - Smaller vertebral foramen So, while options A and D are partially correct, the most distinctive feature of lumbar vertebrae is their thicker centrum.

The pulmonary veins carry oxygenated blood from the lungs to the left atrium of the heart. All veins carries deoxygenated blood except pulmonary vein which carries oxygenated blood to the heart. Conversely, all arteries carry oxygenated blood except the pulmonary artery that carries deoxygenated blood.

Filtrates in the Bowman's capsule contain vitamins because the filtration process in the kidney allows small molecules like vitamins to pass through from the blood into the Bowman's capsule, while larger molecules like proteins are retained in the bloodstream; essentially, the filtrate is composed of blood plasma minus the large proteins, which means it includes most of the small molecules present in the blood, including vitamins.

The brain and spinal cord contain gray matter and white matter. The two make up the CNS. In the spinal cord, white matter sits external to the gray matter, while it lies deeper to the gray matter of the cerebral cortex, the outer layer of the brain.