which environment would tend to have plants with the broadest leaves? course hero

Full Answer

Why do plants that live on the floor of forests have?

plants that live on the floor of forests tend to have much larger leaves than plants that live in hot, sunny conditions. Offer an explanation for this in which you refer to specific parts of the internal structure of a leaf.

How do leaves adapt to their environment?

Leaves have adapted to survive a wide range of environmental conditions. For instance, leaves exposed to strong sunlight are often smaller and have thicker cuticles than leaves of the same plant growing in shade. The reduced surface area and thicker cuticle reduces water loss.

What do plants do when they reach their full size?

Their cell walls are more or less rigid and support both the individual cells and the whole structure. Even when plants have reached what we regard as their full, mature size, they continue to expand and develop new leaves, flowers, fruit and shoots.

What are the characteristics of a herbaceous plant?

Shedding all leaves in one season. Having two cotyledons in the seed. A state of reduced cellular activity. Immature plant within a seed. The outer layer of cells on a herbaceous plant. A perennial plant bearing leaves throughout the year. Growth of a plant in response to gravity. Beginning of growth of a seed, spore or pollen grain.

Why do plants on the forest floor have large leaves?

The plants that occupy the forest floor are ones that require low light as they are adapted to grow under conditions of low light availability and have large dark green leaves to absorb as much sunlight. Was this answer helpful?

Why do plants have leaves?

The main function of a leaf is to produce food for the plant by photosynthesis. Chlorophyll, the substance that gives plants their characteristic green colour, absorbs light energy. The internal structure of the leaf is protected by the leaf epidermis, which is continuous with the stem epidermis.

What are leaves made out of?

Leaves are constructed of three major parts: the petiole, the base, and the blade (Figure 1A). Generally, the largest portion of the leaf is the blade. The base is the region of the blade that attaches to the petiole, a stalk-like structure that connects the blade of the leaf to the stem of the plant.

Why are leaves the most important part of a plant?

Leaves are the most important part of a plant. They contain chlorophyll that helps the plants to prepare their food using sunlight, carbon dioxide and water.

How does leaf affect the environment?

The way leaves reflect and absorb light can drive the climate of the entire planet. Darker leaves absorb more light, trapping heat and subsequently warming surrounding ecosystems. A recent study shows that climate change may be changing leaf properties, making them darker.

What are the leaves of a plant called?

A leaf (plural leaves) is any of the principal appendages of a vascular plant stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, stem, flower, and fruit collectively form the shoot system.

Can plants live without leaves?

Plants can survive without leaves, but only for a few days. After that, it survives until it gets nutrients from different parts of the plant, like the roots and stem. The moment a plant stops getting nutrients, plants will face survival difficulties. Without leaves, it can't survive for long.

Where do leaves grow from?

Leaf growth On the surface of the apical meristem in the bud, a new meristem is formed. This new meristem is called a leaf primordium where cells divide and grow into a leaf. Soon after leaves develop, a new bud primordium (meristem) is formed at the base of each leaf stem.

Why do plants have leaves for class 3?

Leaves provide trees with all their food because they turn sunlight into food energy through photosynthesis. Leaves also make the oxygen in the air that we breathe. Flowers generally are the showiest part of a plant.

Why do plants have leaves for Class 1?

Green leaves prepare food for the plant through the process of photosynthesis so the leaves are called food factory of the plants. In the process of photosynthesis, leaf prepares food material in the presence of sunlight, water, carbon dioxide and a green pigment called chlorophyll present in the leaf.

What are the 3 main functions of a leaf?

Main functions of leaf are: (a) The leaves make food for the plant by photosynthesis. (b) The leaves carry out the process of respiration in plants. (c) The leaves get rid of excess water from the plant through transpiration.

Why do tree have leaves?

The main job of a leaf is to make food (see left navigation for a separate page about this) for a plant. Leaves do this by using sunlight for energy to take apart water from the ground and carbon dioxide from the air. Leaves use parts of water and carbon dioxide to make sugar.

What are adaptations in plants and animals?

plants and animals exhibit adaptations (waxy leaves, deep roots, migration) to enable them to survive dry season

What chapter is environmental science chapter 6?

Start studying environmental science chapter 6: biomes. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

Why do mammals have exaggerated appendages?

mammals have exaggerated appendages to help regulate body temperatures

Is rainfall seasonal or warm?

warm year round, but rainfall highly seasonal

Do plants have thick leaves?

plants tend to have thick, leathery leaves, and store water in their tissues, and have shallow roots

Why do plants need broad leaves?

plants of the forest floor need large broad leaves to capture as much of the filtered sunlight as possible.

What gives leaves support?

Cell walls give the leave support so the leaf can be in a position to capture as much sunlight as possible.

Do plants on the floor of forests have larger leaves?

plants that live on the floor of forests tend to have much larger leaves than plants that live in hot, sunny conditions. Offer an explanation for this in which you refer to specific parts of the internal structure of a leaf.

Where do phagoplasts develop?

o Phragmoplast develop in animal cells at the metaphase plate.

Which cells make growth factors?

In vertebrate immune systems, some t-lymphocytes will make a growth factor that drives their own division. This represents

How does a plant's range affect its growth?

A plant's range — where it will grow naturally — is affected by temperature and other climatic factors. This information can help gardeners select plants and varieties that are suited to local conditions. Maps have been developed that can help you determine the climatic conditions in your area. The websites for these maps are listed on page 24.

What is the function of chlorophyll in plants?

David Trinklein, Division of Plant Sciences. Plants are living organisms that contain chlorophyll and use it to manufacture their own food. Their cell walls are more or less rigid and support both the individual cells and the whole structure.

How does temperature affect plants?

Temperature affects productivity and growth by affecting the processes carried on in a plant such as photosynthesis and respiration. An individual plant's response depends upon its needs and its adaptability to warm- or cool-season conditions. If temperatures are high and day length is long, cool-season crops such as spinach will flower. Temperatures that are too low for a warm-season crop such as tomato will prevent fruit set. The same problem may be caused by continuous excessive heat. Unfavorable temperatures produce stunted growth and poor quality vegetables. Bitterness in lettuce results from high temperatures. Lupines and delphiniums do not grow well in the lower Midwest because they are not adapted to its hot, humid summers.

Why are roots important to plants?

Healthy roots are vital to the well-being and the continued development of most cultivated plants. Roots' structure and growth habits have pronounced effects on the size and vigor of a plant, its ability to adapt to various soil types, and its responses to cultural practices and irrigation. In addition, many plants spread through buds that develop on vigorous roots, and portions of root can be used for vegetative reproduction or propagation. Examples are phlox and lilac (Syringa). Roots that store carbohydrates are often used as food for us and for animals. Carrots, beets, sweet potatoes and turnips are examples.

What is a dichotomous plant key?

Dichotomous plant keys are used to identify plants through a series of choices between pairs of alternatives.

What is a biennial plant?

Biennial. A biennial plant starts from seed and produces vegetative structures and food storage organs in its first full season. A rosette of basal leaves persists through winter. During the second season, the plant's life cycle is completed with flowers, fruit and seed.

How does a plant absorb nutrients?

During early development, a seedling plant absorbs nutrients and moisture from the soil within a few inches of the location of the seed from which the plant grew. As plants become well established, the root system develops laterally and usually extends to several times the spread of the branches. The greatest concentration of fibrous roots occurs in the top 12 inches of soil, but significant numbers of laterals may grow downward from these roots to provide an effective absorption system several feet or more underground.