Self-fertilization, or selfing, seems to have obvious disadvantages as a reproductive “strategy” in nature, and ithas even been called an “evolutionary dead end.” So it issurprising that about 20% of angiosperm species primarily rely on selfing. Suggest a reason why selfing might beadvantageous and yet still be an evolutionary dead end.

Q: Use examples from Figure 30.7 to describe how various gymnosperms are similar yet distinctive.

A: There is a large diversity in the living world. The living organisms are classified into different…

Q: List and briefly describe at least three adaptations that have contributed to the evolutionary…

A: Angiosperms include the flowering plant and have around 300,000 species. It is the most diverse…

Q: Ferns are a type of terrestrial plant that does not produce seeds, unlike gymnosperms and flowering…

A: The ability to produce seeds has provided significant advantages to gymnosperms and flowering plants…

Q: And some plants as stigma becomes receptive to Polin able to facilitate a pollen tube at a different…

A: When stigma and anther mature at different time then this phenomenon is called DICHOGAMY. In this…

Q: All of the following are processes that occur during angiosperm reproduction EXCEPT A. One…

A: Answer. Reproduction in plants is of two types asexual and sexual reproduction.   The biological…

Q: Double-fertilization is unique to which group of plants? Bryophytes Gymnosperms Angiosperms None of…

A: Fertilization is defined as the fusion of male and female gametes.

Q: 1. Based on the readings you encountered in the course about gymnosperms, in general and cycads, in…

A: The gymnosperms are a group of seed-forming plants that involves conifers, cycads, ginkgo, and…

Q: Use examples from Figure 30.7 to describe how variousgymnosperms are similar yet distinctive.

A: The gymnosperms are the plants that do not bear flowers and produces seed and cones. The gymnosperm…

Q: How do the adaptations of gymnosperms and angiosperms enablethem to live in drier habitats than…

A: The change in the heritable characteristics of the species across many generations is called…

Q: Explain, the reproduction of plants encluding the differences between angiosperms and gymnosperms.

A: The process by which the plants produce new offspring is called reproduction. Plants reproduce…

Q: The first flowering plants to diverge from the ancestral angiosperm are referred to as monocots…

A: Angiosperm evolved around 125-100 million years ago during the Late Cretaceous Period. Angiosperms…

Q: Double fertilization evolved independently in gnetophytes and in flowering plants. Name two other…

A: Fertilization is a sexual reproduction process in plants wherein the male gamete that is pollen…

Q: Which of the following referes to the principle of alternation of generations in plants? A life…

A: Alternation of generation is common phenomenon found in plants and some algae. It is also known as…

Q: Gymnosperm Angiosperm None of the above.

A: Unisexual plants are the plants that contain the only male or female reproductive organs are called…

Q: • Improvements over the spore - Embryo: multicellular, it will be much bigger - Seed coat Minimizes…

A: Introduction  A seed is a reproductive structure in plants that contains an embryo, stored…

Q: As you are walking through the woods you stumble across a flowering plant with broad leaves with…

A: The kingdom Plantar Includes all eukaryotic, chlorophyll containing, autotrophic organisms which are…

Q: After pollination how doesfecundation occur inangiosperms? In these plantsis fecundation dependent…

A: Fecundation is the process of fusion of male and female gametes to initiate the development of a new…

Q: Which of these characteristics is shared by ferns and gymnosperms (select all that apply)? vascular…

A: The following characteristics are shared by ferns and gymnosperms:Vascular TissuePollenChloroplasts

Q: Which of the following is true concerning the Anthophyta? O They were the first plants to colonize…

A: Anthophyta, also called Angiospermophyta, is a phylum comprising the flowering plants (angiosperms).…

Q: 1. Gymnosperms were also the first plants to develop pollen. Which of the following statements…

A: Gymnosperms are flowerless plants that produce cones and seeds. The term gymnosperm literally means…

Q: For those who aren't scientists, there is disappointment when it's learned that scientists don't…

A: The evolution and diversification of angiosperms, or flowering plants, has been a subject of…