Dec 04, 2011· Most plants have green leaves. However, some have yellow or red leaves. Some leaves are shiny and some are dull. The surface of leaves are smooth or rough. The shape of leaves can be irregular, oval, round or long.

The root, defined as the portion of a plant beneath the soil, brings in essential water and minerals from the soil. It also anchors the plant to the substrate, providing stability. The shoot includes all aerial plant structures such as stems, leaves, flowers, and fruits.

Internal Structure of the Leaf of a Typical Dicotyledonous Plant. Internal Leaf Structure a) Cuticle: Waxy layer water proofing upper leaves. b) Upper epidermis: Upper layer of cells. No chloroplasts. Protection. c) Palisade Mesophyll: Tightly packed upper layer of chloroplast containing cells.

While all plants need water, mosses and bryophytes need droplets of water to enable their haploid reproductive cells to combine. They are all known as the bryophytes. Mosses Let's start with mosses. These are waxy little plants with no leaves and no stem that use each other to stay upright.

Jun 14, 2019· Plant cells are the basic building block of plant life, and they carry out all of the functions necessary for survival. Photosynthesis, the making of food from light energy, carbon dioxide, and water, occurs in the chloroplasts of the cell.

Plant cells have a supportive cellulose cell wall (unlike animal cells which lack cellulose). The following is a diagram of the external anatomy of a typical flowering plant : axil the angle between the upper side of the stem and a leaf, branch, or petiole.

Some plants have special features that help them to repel predators. Other plants can survive and even thrive in hostile environments, such as cold and rocky mountains. In areas of little rainfall, plants known as XEROPHYTES have developed special methods for collecting and storing water. Another group of amazing plant survivors are known as HALOPHYTES. They can endure extremely salty regions, such .

The aboveground, conspicuous part of flowering plants constitutes the shoot system, which is composed of erect stems on which are attached leaves, flowers, and are attached to the stem at regions called section of stem between nodes is an internode, and the upper angle between the stem and the leaf at the node is called the leaf axil.

Research shows that lower elementary students tend to consider only vertebrates as animals, or to group animals by similarities in external appearance, behavior, or habitat. Young students also define plant in a narrow way, failing to classify grass, trees, and vegetables as plants.

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Nematodes can be found in diverse habitats, including the ocean, soil, roots, stems and leaves of plants, fresh water, and tissues of animals and insects. In a single cubic foot of soil, as many as one million nematodes may be present.

Jul 25, 2018· Above: A fourinch ZZ Plant comes in a plastic nursery pot; 11 from The Sill. ZZ plant, with its wide, attractive, dark green leaves, boasts many favorable traits for offices and homes. ZZ plant tolerates neglect, is drought tolerant, and accepts lowlight conditions without throwing a fit.

Psilotum and Tmesipteris resemble the earliest known SilurianDevonian vascular plants — Rhyniopsida — in the following characte­ristic features: 1. The sporophytes are dichotomously bran­ched with subterranean rhizome and upright branches. 2. Absence of roots and sporophytic generation bears rhizoids. 3. The branches are leafless Psilotum. 4.

We will/I will explain variation within a population or species by comparing external features, behaviors, or physiology of organisms that enhance their survival such as migration, hibernation, or storage of food in a bulb. (B); We will/I will identify some changes in genetic traits that have occurred over several generations through natural selection and selective breeding such as the ...

Jun 21, 2018· After plants absorb the water and nutrients through their roots, they transfer them through the vascular system up to the rest of the plant. Water is brought up to use for photosynthesis, while each nutrient is used for a different part of building the plant.

Biology notes biological drawings on Birds: structure function. Adaptation to flight, skeleton and muscles, feathers, reproduction, beaks and feet. By D G Mackean