Biology Of Plants Practicum Terms

An herb is a plant valued for its medicinal, savory, or aromatic qualities that does not develop persistent woody tissue. A shrub is a woody plant smaller than a tree, typically with multiple stems. A tree is a woody perennial plant with a single main stem or trunk. Grass is a type of plant with narrow leaves, typically having jointed stems and spikes of small flowers.

A shrub is a small to medium-sized perennial plant with woody stems. Unlike trees, shrubs have several stems arising from or near the ground. Herbs are non-woody plants, and ferns are non-flowering vascular plants known for their fronds.

A tree is defined as a woody perennial plant with a single trunk, while bushes have multiple stems and branches close to the ground. Shrubs are shorter than trees and have many small stems, and vines are plants that grow along the ground or climb structures for support.

Grass fits the description of a narrow-leaved herb with jointed stems and spike-like flowers. Daisy, Rose, and Hosta do not have jointed stems or spike-like flowers.

Moss fits the description provided as a non-vascular plant without true roots and vascular tissue, with a dominant haploid generation. Ferns have vascular tissue, liverworts have rhizoids, and algae can have vascular tissue or a different life cycle.

Ferns are vascular plants with true roots that have a dominant diploid generation. Their leaves are fronds that emerge with fiddleheads, and they reproduce with spores. Moss, pine trees, and cacti do not exhibit these specific characteristics.

An epiphyte is a plant that grows on another plant for physical support, without taking nutrients from the host plant. Unlike a parasite, which does derive nutrients from the host plant, an epiphyte simply uses the host for structural support.

The correct term for a plant with such characteristics is 'Vine', as it typically climbs or trails on other structures for support.

A 'liana' is a type of woody vine that climbs up trees or other plants for support. It differs from creepers which grow along the ground, trailing plants which spread horizontally, and climbing ivy which is a specific type of climbing plant.

A parasite is an organism that benefits at the expense of another organism. In this case, the plant obtaining nutrients from another plant is considered a parasite because it benefits while the host plant is harmed.

A holoparasite is a parasitic plant that is completely dependent on the host plant for all its nutrients. In contrast, a hemiparasite has limited dependence on the host, an endoparasite lives inside the host organism, and an ectoparasite lives outside the host.

Hemiparasites are plants that obtain some of their nutrients and water from a host plant, while also being able to perform photosynthesis independently. This distinguishes them from parasitoids, endoparasites, and ectoparasites which have different methods of obtaining nutrients and water from their hosts.

Herbaceous refers to plants that have non-woody stems and typically last for one growing season. Perennials are plants that live for more than two years, deciduous trees lose their leaves annually, and succulents are plants that store water in their leaves or stems.

The correct term for plants with persistent stems containing wood is 'woody'. This characteristic is a result of secondary growth via an active vascular cambium, enabling the plant to develop a woody structure.

An annual plant completes its life cycle within one growing season, whereas perennial plants live for multiple years, biennial plants for two years, and ephemeral plants are short-lived and typically last for only a day.

Perennial plants are those that live for more than two years, as opposed to annual plants that complete their life cycle in one growing season, biennial plants that require two years to complete their life cycle, and deciduous plants that shed their leaves annually.

A native plant is one that naturally occurs in a specific region without human introduction. Endemic plants are species that are exclusively found in a specific geographic area. Invasive plants are non-native species that cause harm to the environment, economy, or human health. Exotic plants are non-native species introduced to an area by humans.

An exotic plant is one that has been introduced by humans outside of its native range, while native plants are naturally occurring in the location, endemic plants are native and restricted to a certain area, and invasive plants are harmful exotic species that outcompete native plants.

An invasive species refers to a non-native species that causes harm to the environment it has been introduced to. Endangered species are those at risk of extinction, extinct species no longer exist, and endemic species are native to a specific region.

Evergreen trees and plants keep their foliage year-round, unlike deciduous trees which shed their leaves in the fall. Perennial plants can live for more than two years but may not necessarily have evergreen foliage. Annual plants complete their life cycle within one year.

Deciduous trees shed their leaves in a particular season, usually in the fall, while evergreen trees retain their leaves year-round. Coniferous trees are a type of evergreen tree characterized by needle-like or scale-like leaves, and palmate trees are those with leaves resembling the shape of a hand with lobes like fingers.

Simple leaves are those that are not divided into smaller leaflets, making them easy to identify compared to compound leaves.

A compound leaf is one where the leaf blade is divided into multiple leaflets, each with its own petiole, while a simple leaf consists of a single leaf blade. Serrated refers to the toothed edges of a leaf, and palmate describes a leaf with lobes spreading from a common point like fingers of a hand.

In alternate leaf arrangement, only one leaf is attached at each node along the stem, positioning them in an alternating pattern. Opposite leaf arrangement involves two leaves at each node, positioned directly across from each other. Whorled leaf arrangement consists of three or more leaves at each node in a circular pattern. Rosette leaf arrangement forms a cluster of leaves at the base of the stem.

Opposite leaf arrangement refers to the presence of one leaf on each side of the stem at a node. Alternate leaf arrangement has one leaf per node, alternating sides along the stem. Whorled leaf arrangement features three or more leaves attached at a single node. Spiral leaf arrangement occurs when leaves are staggered along the stem in a spiral fashion.

In botany, leaf arrangement can be classified as opposite (two leaves at each node), alternate (one leaf at each node), whorled (more than two leaves at each node), and rosulate (forming a rosette at the base of the stem).

Leaf margins can have various characteristics such as teeth, double teeth, or curved and pointed sections; however, in this case, the correct term for a smooth, unbroken outline with no teeth is 'Entire'.

The margin of a leaf refers to its outer edge, which can have various characteristics such as being smooth, lobed, toothed, or serrated.

The petiole is the stalk that attaches the blade of the leaf to the stem. Stipule is a small leaf-like appendage at the base of the petiole, Midrib is the central vein of a leaf, and Vein is a vessel that transports fluids in plants.

The node is the specific point on a plant stem where a leaf is attached. Stalk refers to the main stem supporting the plant. Petiole is the part that attaches the leaf blade to the stem. Axillary bud is the structure that can potentially form a branch or flower.