Question

who will give answer i mark in brainlist​

Answer 1

Answer:

a leaf

1. have xylem connected to supply water
2. have phloem to supply food
3. have stomata for taking co2 and transpiration
4. have chlorophyll
5. have space for getting sunlight

Explanation:

here it get all things needed for photosynthesis , so , it is a perfect place for photosynthesis.

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Answer 2

Leaves are suited for photosynthesis in a number of ways.

Firstly most contain chlorophyll (some other plants e.g. Match Me If You Can has a different pigment) that allows them to photosynthesis.

There are also the benefits of:

A large surface area, for absorbing more light (Cacti and pines have smaller leaves to reduce transpiration, but will generally have more leaves to compensate)

Usually they’re quite thin, which allows the diffusion of CO2 throughout the leaf

Stomata allow the diffusion of gasses (CO2 and Oxygen mainly - they act like our lungs)

Veins - these are offsets of the phloem and xylem and they deliver nutrients e.g. glucose and amino acids, as well as water. They’re in a network around the leaf to allow the nutrients to reach everywhere

There is also the internal adaptations

(BBC Bitesize)

The epidermis is thin and transparent, allowing the light to reach the chlorophyll

The waxy cuticle helps prevent excess water loss from the leaf, and is also relatively this to allow more sunlight to get to the chlorophyll. (It’s thicker in species nearer the sea, to help plants keep water in sunnier, windier conditions etc)

The Palisade layer is at the top of the leaf (since that’s where most of the sunlight enters) which allows more light to reach is, therefore more photosynthesis. This layer also contains the majority of the chloroplasts.

The Spongy Mesophyll increases surface are and allows the diffusion of oxygen and CO2

Hope helps........................

ns of a leaf: