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Angiosperms typically have broad, flat leaves, but some species do possess needle-like or scale-like leaves. Examples of angiosperms with needle-like leaves include certain conifers, such as pines, which are technically gymnosperms. However, some angiosperms like the genus Juniperus (junipers) can have scale-like leaves. Overall, while most angiosperms do not have needle or scale-like leaves, there are exceptions in specific genera.
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How do the seeds leaves and stems and flowers of these two groups differ?
Seeds: Gymnosperms have naked seeds not enclosed in fruit, while angiosperms have seeds enclosed in a fruit. Leaves: Gymnosperms typically have needle-like or scale-like leaves, while angiosperms have a wider variety of leaf shapes. Stems: Gymnosperms often have woody stems, while angiosperms can have both herbaceous and woody stems. Flowers: Gymnosperms do not produce flowers, while angiosperms have flowers for reproduction.
What kind of leaf does a gymnosperm have?
Gymnosperms have needle-like or scale-like leaves. These leaves are typically tough and adapted to conserve water in various environments. Examples of gymnosperms with needle-like leaves include pine trees, while cycads have palm-like leaves.
Are the seeds you are dissecting an angiosperm or a gymnosperm How can you tell?
To determine whether the seeds are angiosperms or gymnosperms, you can examine their characteristics. Angiosperms produce seeds enclosed within a fruit, while gymnosperms have seeds that are typically exposed on cones or other structures. If the seeds are found within a fruit-like structure, they are likely angiosperms; if they are found on a cone or are bare, they are likely gymnosperms. Additionally, angiosperms usually have broader leaves and more complex flower structures compared to the needle-like leaves of many gymnosperms.
What has needle-like leaves no flowers and produce seeds?
Conifers have needle-like leaves, have cones instead of flowers and produce seeds.
Why is a pine a gymnosperm?
A pine is a gymnosperm because it produces naked seeds that are not enclosed within a fruit. This characteristic sets gymnosperms apart from angiosperms, which have seeds enclosed within a fruit. Additionally, gymnosperms often have needle-like or scale-like leaves and are typically wind-pollinated.
How do the seeds leaves and stems and flowers of these two groups differ?
Seeds: Gymnosperms have naked seeds not enclosed in fruit, while angiosperms have seeds enclosed in a fruit. Leaves: Gymnosperms typically have needle-like or scale-like leaves, while angiosperms have a wider variety of leaf shapes. Stems: Gymnosperms often have woody stems, while angiosperms can have both herbaceous and woody stems. Flowers: Gymnosperms do not produce flowers, while angiosperms have flowers for reproduction.
Pine trees and evergreens are categorized as what types of plants?
They are classified as gymnosperms. They produce cones instead of flowers. Flowering plants are called angiosperms. Gymnosperms usually have modifed leaves that are needle-like while angiosperms have broad flat leaves.
What kind of leaf does a gymnosperm have?
Gymnosperms have needle-like or scale-like leaves. These leaves are typically tough and adapted to conserve water in various environments. Examples of gymnosperms with needle-like leaves include pine trees, while cycads have palm-like leaves.
Why trees have needle like leaves?
The leaves of pine trees are needle-like.
How do needle-like leaves and scale-like leaves help coniferious trees?
Needle-like leaves reduce water loss through transpiration and limit snow buildup, while also increasing surface area for photosynthesis. Scale-like leaves protect against moisture loss, and their compact arrangement helps reduce surface area exposed to harsh environmental conditions. Overall, these leaf adaptations help coniferous trees thrive in cold and dry climates.
What characteristic help conifers survive when the weather is dry?
needle-like leaves
Are the seeds you are dissecting an angiosperm or a gymnosperm How can you tell?
To determine whether the seeds are angiosperms or gymnosperms, you can examine their characteristics. Angiosperms produce seeds enclosed within a fruit, while gymnosperms have seeds that are typically exposed on cones or other structures. If the seeds are found within a fruit-like structure, they are likely angiosperms; if they are found on a cone or are bare, they are likely gymnosperms. Additionally, angiosperms usually have broader leaves and more complex flower structures compared to the needle-like leaves of many gymnosperms.
Which is a coniferous Tree?
Pine, spruce, fir, and cedar are examples of coniferous trees, which are trees that bear cones and typically have needle-like or scale-like leaves.
Is an oak leaf a broadleaf needle leaf or scale leaf?
An oak leaf is classified as a broadleaf. Broadleaf trees, like oaks, typically have wide, flat leaves that are often lobed or rounded, distinguishing them from needle-leaved trees such as pines or scale leaves found on some conifers. Oak leaves are known for their distinctive shapes and vibrant colors in autumn.
What has needle-like leaves no flowers and produce seeds?
Conifers have needle-like leaves, have cones instead of flowers and produce seeds.
What are the characteristic of gymnosperms?
Every gymnosperm produces naked seeds. In addition, many gymnosperms have needle-like or scale-like leaves, and deep-growing root systems.
Why is a pine a gymnosperm?
A pine is a gymnosperm because it produces naked seeds that are not enclosed within a fruit. This characteristic sets gymnosperms apart from angiosperms, which have seeds enclosed within a fruit. Additionally, gymnosperms often have needle-like or scale-like leaves and are typically wind-pollinated.
