2015 Holiday Lectures On Science How Species Coexist

This talk is from a 2015 Holiday Lecture Series, Patterns and Processes in Ecology. Details …

Lecture 1 – Africa’s Savanna Ecosystems · Lecture 2 – Patterns in Nature · Lecture 3 – How Species Coexist · Lecture 4 – Modeling Populations and Species …

How do species coexist?

Species may coexist in a closed, temporally constant world if they experience different limiting factors; this includes classical niche partitioning of resources, as well as mechanisms involving predation and parasitism, and direct interference.

How can similar species coexist?

Resource partitioning The result of this kind of evolution is that two similar species use largely non-overlapping resources and thus have different niches. This is called resource partitioning, and it helps the species coexist because there is less direct competition between them.

How is this principle applied to zebra wildebeest and gazelle?

Zebras eat the grass right after the rain, when it is tallest, and gazelles eat the grass several months after, when it is shortest. Wildebeests eat the grass in between these two periods, when it is of intermediate height.

How does the diet of the plains zebra compare to that of the Grevy’s zebra?

Are they eating the same species of grass? The diet of the Grevy’s zebra is different from that of the plains zebra, and they do not eat all of the same grasses. However, their diets are fairly similar and there are some species of grass that they both eat. 8.

What is niche partitioning in biology?

The term niche partitioning refers to the process by which natural selection drives competing species into different patterns of resource use or different niches (Hector and Hooper, 2002; From: Advances in Ecological Research, 2016.

What are the four types of niche partitioning?

Niche partitioning commonly takes several forms, including resource partitioning, where species specialize in different food or prey items, spatial partitioning, where species use different areas to forage or hunt, and temporal partitioning, where sympatric species rotate peak foraging times on a diel or seasonal scale …

What are the three types of niche partitioning?

Metabarcoding entails using high throughput sequencing (HTS) to determine the sequence information from a pool of genetic material, which can then be linked to a DNA barcode database, hence the name metabarcoding (Deiner et al., 2017).

What is niche partitioning by plant height example?

browser spectrum: some organisms eat only grass, others eat only trees, and others eat some of both. Animals separate out by height. Tall browsers (giraffes) eat from the tall part of the tree most of the time, while the short dik-dik eats the low parts of the tree. Grazers eat at different times.

More Answers On 2015 holiday lectures on science how species coexist

How Species Coexist – HHMI BioInteractive

Description In this talk, ecologist Robert Pringle discusses how large herbivores can coexist by partitioning ecological niches by time, space, and diet. There are over 30 species of herbivores in the African savanna, yet these species coexist in the same habitat without one species outcompeting all the others.

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2015 Holiday Lectures on Science How Species Coexist Student Worksheet INTRODUCTION In the African savanna ecosystem, many species of large herbivores share similar habitats. How can they all coexist rather than one, or a few, species outcompeting all the others? Niche partitioning is a mechanism that facilitates coexistence.

Niche-Partitioning-educator.pdf – 2015 Holiday Lectures on Science How …

In this activity, students use data presented in the HHMI 2015 Holiday Lecture “How Species Coexist” to explore the concept of niche partitioning, learn about mechanisms of niche partitioning, and consider the classic grazer-browser spectrum paradigm in light of new dietary data obtained from DNA metabarcoding.

How Species Coexist – How Do Species Coexist? – Coursera

Enroll for Free. This course is an introduction to ecology and ecosystem dynamics using a systems thinking lens. Through a case study on Mozambique’s Gorongosa National Park, learners will explore how scientists study ecosystems, and investigate the complex array of factors that inform management efforts. At the end of the course, learners will …

Niche-Partitioning-student.pdf – 2015 Holiday Lectures on Science How …

2015 Holiday Lectures on Science How Species Coexist Student Worksheet 9. What does this new data contribute to our understanding of the grazer-browser spectrum and dietary niche partitioning? 10.Study the data for buffalo, a wild species, and cattle, a domesticated species.

Kevin Williams Niche-Partitioning-student.docx – 2015 Holiday Lectures …

This allows for nutrients to processed in low quality grass.2015 Holiday Lectures on Science How Species Coexist StudentWorksheet Zebra populations initially reach the grass first and consume the fullest and tallest grass . At Month 1 , the Zebra population is at its peak then decreases to 1 at month 3 .

Niche_Partitioning_Lab_Exercise_Handout (1).docx – 2015 Holiday …

Niche partitioning is a mechanism that facilitates coexistence. An organism’s niche is its place and role in an ecosystem, including where it lives and how it obtains the resources it needs to survive. If competing species use the environment differently, or partition resources, they can coexist in the same area.

Kami Export – Westyn Moyer – Niche-Partitioning-student.pdf – 2015 …

Updated June 2016 Page 2 of 4 2015 Holiday Lectures on Science How Species Coexist Student Worksheet 3. Propose a reason or reasons that the wildebeest population density spikes when it does. Support your idea with evidence from what you know about wildebeest and Panicum. (Hint: Grasses continue to grow after being grazed.) 4.

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2015 Ecology Lecture 3 – Internet Archive

Large herbivores in the African savanna coexist by partitioning ecological niches by time, space, and diet. Skip to main content. Due to a planned power outage on Friday, 1/14, between 8am-1pm PST, some services may be impacted. A line drawing of the Internet Archive headquarters building façade. An illustration of a magnifying glass. An illustration of a magnifying glass. An illustration of …

Elliott and the Ecology Lecture: Diving into the … – My Green Montgomery

Lecture #3: How Species Coexist Dr. Pringle started the lecture by asking “How can similar species share the same habitat?” When two species have the same role, or niche, in an ecosystem, only the dominant one will survive. In response, species will adapt to live in different spaces or eat different foods to avoid competition.

How Species Coexist – How Do Species Coexist? | Coursera

Video created by 아메리카 자연사박물관, 하워드 휴스 의학 연구소 for the course “Ecology: Ecosystem Dynamics and Conservation”. This week we focus on community ecology and further explore the interactions between species in an ecosystem. For instance, how does the …

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2015 Ecology Lecture 3 HHMI’s Holiday Lectures On Science podcast

Hit the Subscribe button to track updates in Player FM, or paste the feed URL into other podcast apps. “How Species Coexist” by Robert M. Pringle, PhD. Large herbivores in the African savanna coexist by partitioning ecological niches by time, space, and diet. 106 episodes.

HHMI’s Holiday Lectures on Science – Internet Archive

The Howard Hughes Medical Institute is a philanthropy that supports biomedical research and science education. As part of its mission to strengthen science education, the Institute presents the Holiday Lectures on Science, an annual series that brings the latest developments in a rapidly moving field of research into the classroom.

HHMI’s Holiday Lectures on Science – Internet Archive

They sense their own species’ numbers by monitoring their species-specific quorum sensing signal. Bacteria also sense a signal that is shared between different species to obtain information about the bacterial community. Manipulating quorum sensing is a promising approach for developing new antibiotics against pathogens, or probiotics for… HHMI’s Holiday Lectures on Science. 10 10.0. 2010 …

2015 HHMI Holiday Lectures on Science: Patterns and Processes in …

Tarnita Lab @ Princeton Self-Organization & Emergence. Department of Ecology and Evolutionary Biology Tarnita Office: Eno Hall 206-207; Mail: 106A Guyot Hall, Princeton NJ 08544; Lab: Guyot Hall 107A

How Species Coexist – How Do Species Coexist? | Coursera

Video created by American Museum of Natural History, Howard Hughes Medical Institute for the course “Ecology: Ecosystem Dynamics and Conservation”. This week we focus on community ecology and further explore the interactions between species in …

Why many similar species coexist within complex … – ScienceDaily

University of Granada. (2015, March 4). Why many similar species coexist within complex ecosystems, such as Amazon rainforest or coral reefs. ScienceDaily. Retrieved June 15, 2022 from www …

Understanding animal coexistence with a little dung and a lot of DNA

The researchers analyzed plant remains in the dung of various large herbivores inhabiting the savannas of Kenya using a technique known as “DNA metabarcoding,” which identifies the DNA of a mix of species. The researchers found that the animals they studied in fact have unique diets. While the animals eat many of the same plants, they do …

Holiday Lectures On Science – dcmp.org

Scientists are unraveling the mechanisms that dictate how the brain and body regulate weight. In four presentations, Dr. Ronald M. Evans and Dr. Jeffrey M. Friedman discuss what the latest advances in genetic and molecular research tell us about why some people are hefty while others are lean. Understanding the biological systems that control body weight and metabolism, as well as these …

Princeton scientists explain how diverse species coexist in microbial …

“A long-standing question about microbes concerns how so many different microbial species manage to coexist when competing for limited resources,” said Ned Wingreen, the Howard A. Prior Professor in the Life Sciences, a professor of molecular biology and the Lewis-Sigler Institute for Integrative Genomics, an d the senior author on a paper in the Sept. 11 issue of the journal eLife.

Communities as Ecological Networks – How Do Species Coexist? | Coursera

Video created by アメリカ自然史博物館（American Museum of Natural History）, ハワード・ヒューズ医療研究所（Howard Hughes Medical Institute） for the course “Ecology: Ecosystem Dynamics and Conservation”. This week we focus on community ecology and further explore the …

Communities as Ecological Networks – How Do Species Coexist? – Coursera

How Do Species Coexist? This week we focus on community ecology and further explore the interactions between species in an ecosystem. For instance, how does the decline in a population from an ecosystem (as was the case in Gorongosa) affect the other players? How does adding a population — such as an invasive species or translocated herds — affect an ecosystem? Introduction to Module Three 0 …

Holiday Lecture Series | Harvard John A. Paulson School of Engineering …

Holiday Lecture Series. Since December, 2002, SEAS has held holiday lectures targeted toward families. Modeled on a famous set of presentations first given to children a century ago as part of the Royal Institution Christmas Lectures in London, the lectures highlight science in an engaging and fun forum geared for children aged 7 and up.

Species Coexistence – an overview | ScienceDirect Topics

Species richness of vascular plants in 0.25-m 2 prairie plots (1-m 2 plots in 1995) after the experimental addition of seeds in 1992. Seed additions ranged from 0 to 54 species and the plots were followed for 4 years (1992-1995). The 0 species addition (data on the Y-axis) shows changes in species richness in plots not subject to manipulation …

Niche Partitioning – HHMI BioInteractive

Description. This video introduces the concept of niche partitioning with examples drawn from the African savanna. Ecologist Robert Pringle explains the main ways in which large mammalian herbivores that coexist in the African savanna — including giraffes, zebras, and wildebeest — partition their habitat to reduce competition. He provides …

Communities as Ecological Networks – How Do Species Coexist? | Coursera

Modeling Population and Species Interactions Holiday Lecture

Video created by American Museum of Natural History, Howard Hughes Medical Institute for the course “Ecology: Ecosystem Dynamics and Conservation”. This week, we narrow the focus to populations within ecosystems. Who or what populates an …

Coexistence of many species in random ecosystems – Nature

We start by studying coexistence in random ecological communities, and, having derived the behaviour of random networks of interacting species, we probe the effect of particular network structures …

Resource

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