Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 26, Problem 21CTQ
The Mediterranean landscape along the sea shore is dotted with pines and cypresses. The weather is not cold, and the trees grow at sea level. What evolutionary adaptation of conifers makes them suitable to the Mediterranean climate?
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Conifers are well adapted to cold and dry conditions. List at least three reasons why this is.
Pine trees are coniferous trees native to most areas of the Northern Hemisphere.
Pines produce seeds in the form of pine cones. In some species, pine cones
open automatically upon maturation to release seeds. Other species rely solely
on birds to break open the pine cones to disperse the seeds. In still others, a
resin holds the pine cones closed until a forest fire melts the resin and the seeds
can be released. Immediately after a forest fire, what type of growth would pine
trees experience?*
O Logistic
O Exponential
O Linear
O Parabolic
What would be the appearance of secondary tissue in trees growing in regions of the planet without clearly defined seasons?
Chapter 26 Solutions
Biology 2e
Ch. 26 - Figure 26.8 At what stage dees the diploid zygote...Ch. 26 - Figure 26.15 If a flower lacked a megasporangium,...Ch. 26 - Seed plants are. all homosporous mostly...Ch. 26 - Besides the seed, what ether major structure...Ch. 26 - In which of the following geological periods would...Ch. 26 - Which of the following structures widens the...Ch. 26 - Which of the following traits characterizes gym...Ch. 26 - Megasporocytes will eventually produce which of...Ch. 26 - What is the ploidy of the following structures...Ch. 26 - In the northern forests of Siberia, a tall tree is...
Ch. 26 - Which of the following structures in a flower is...Ch. 26 - Pollen grains develop in which structure? the...Ch. 26 - In the course of double fertilization, one sperm...Ch. 26 - Corn develops from a seedling with a single...Ch. 26 - Which of the following plant structures is not a...Ch. 26 - White and sweet-smelling flowers with abundant...Ch. 26 - Abundant and powdery pollen produced by small,...Ch. 26 - Plants are a source of food fuel medicine all of...Ch. 26 - The Triassic Period was marked by the increase in...Ch. 26 - What role did the adaptations of seed and pollen...Ch. 26 - The Mediterranean landscape along the sea shore is...Ch. 26 - What are the four modern-day phyla of gymnosperms?Ch. 26 - Some cycads are considered endangered species and...Ch. 26 - What are the two structures that allow angiosperms...Ch. 26 - Biosynthesis of nectar and nutrient-rich pollen is...Ch. 26 - What is biodiversity and why is it important to an...
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- Where is primary growth occurring in a tree less than one year old? where the vascular cambium and cork cambium are located closest to ground level at the base of the tree in young branches where leaves are formingarrow_forwardA botanist discovers a new species of plant in a tropical rain forest. After observing its anatomy and life cycle, he notes the following characteristics: 1. Sperm contained in pollen grains, 2. Sporophyte dominant, 3. Seeds contained in fruits. 4. Xylem with tracheids, Mosses Green Algae Ferns Pines/gymnosperms Flowering plants/angiospermsarrow_forwardWhy would it be adaptive for subtropical trees to shed their leaves during seasonal periods of drought?arrow_forward
- Leaves of conifers are perennial. Those of bristlecone pine live for at least ____ years, and their vascular bundles produce new _____________ every year. Many conifers have needle-shaped leaves, but those of incense cedar are ____________ shaped (as shown).arrow_forwardWhen vascular tissue first forms, the central cylinder of xylem and phloem is called a stele. The stele of vascular plants come in several types depending on how the vascular tissue is arranged. Below is a cross section of a clubmoss (Lycopodium), which is actually an ancestral group of seedless vascular plants and not a true moss. What type of stele do clubmosses have? (You may need to search your Photo Atlas or internet to find the answer). O protostele O siphonostele O eustele O dictyostelearrow_forwardThe term herbaceous implies that a plant -has no apical meristem. -probably will live several years. -lacks vascular tissue. -is only found in wet environments. -cannot develop secondary vascular tissue like secondary xylem.arrow_forward
- Please answer question 3arrow_forwardConifers are common in mountain and high-latitude forests where it is cold, very dry and it snows frequently. What key characteristics of conifers give them an advantage over other types of plants that live in these forests? A) the production of resin.B) the conical shape of the tree.C) leaves with a relatively large surface area.D) needle-like leavesE) a waxy cuticle.F) sori located on the underside of the leavesG) loss of leaves during the winter months.arrow_forwardPlant shoots include stems, leaves, and flowers. Monocot stems have their vascular bundles arranged in a ring pattern in the ground tissue. Eudicots have their leaf veins arranged in a parallel pattern. Photosynthesis in leaves takes place in the mesophyll layer Eudicots possess a large taproot.arrow_forward
- After a lava flow like seen below in Hawaii Volcanoes National Park, the beginning stage of primary succession begins with the non-vascular plants die and decompose to become the first soil on the previously bare rock. the root system of simple plants prevents erosion. the growth of non-vascular plants such as moss or lichen beginning to grow on bare rock. large gymnosperm and angiosperm develop which leads to shade tolerant plants being established.arrow_forwardWhich of the following is NOT an adaptation of land plants that provides protection for plant cells and tissues? Apical meristems Seeds Sporopollenin Antheridia and archegoniaarrow_forwardIs there any advantage to a leaf in having palisade mesophyll on the upper half and spongy mesophyll on the lower half?arrow_forward
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