Bats and birds eating insects at different times of day is an example of (1 point)
O survival of the fittest.
O resource partitioning.
O competitive exclusion.
O natural selection.

I had almost the same question on one of my quizzes but it had one other answer. Mine was,

"The picture below shows the bone structures of whale and bird.

Picture shows similar bone structures of whale and bird.

Based on the diagram, which of these statements is correct about whales and birds?  

 a ) They have similar food habits.

b ) They move in the same manner.

c ) They share a common ancestor.

d ) They use their limbs to catch their prey."

After doing some research, I found that the correct answer was that they share a common ancestor.

Answer:

The first answer would be a polymer and the second answer would be a monomer.

Answer:

i.d.k what?

Explanation:

Answer: The three main research methods used are observation, modeling, and experimentation.

Explanation:

Observation:

Every experiment requires observation. Ecologists must observe the environment, the species within it, and how those species interact, grow and change. Different research projects different types of assessments and observations.

Ecologists sometimes use a desk-based assessment, or DBA, to collect and summarize information about specific areas of interest. In this scenario, ecologists are using information already collected from other sources.

Oftentimes, however, ecologists rely on observation and fieldwork. This entails going into the habitat of the subject of interest to observe it in its natural state. By doing field surveys, ecologists can track the population growth of species, observe community ecology in action and study the impact of any new species or other introduced phenomena in the environment.

Each field site will differ in nature, shape, or other ways. Ecological methods allow for such differences so that different tools can be used for observations and sampling. It is crucial that sampling be done randomly to combat bias.

Modeling:

Ecological methods rely heavily on statistical and mathematical models. These provide ecologists with a way to predict how an ecosystem will change over time and react to changing conditions in a system.

Modeling also provides another way to decipher ecological information when fieldwork is not practical. There are several drawbacks to relying solely on fieldwork. Because of the typically large scale of fieldwork, it is not possible to replicate experiments exactly. Sometimes even the lifespan of organisms is a rate-limiting factor for fieldwork. Other challenges include time, labor, and space.

Modeling provides a method in which to streamline information more efficiently.

Examples of modeling include equations, simulations, graphs, and statistical analyses. Ecologists use modeling for producing helpful maps as well. Modeling allows for calculations of data to fill in gaps from sampling. Without modeling, ecologists would be hampered by the sheer amount of data that needs to be analyzed and communicated. Computer modeling allows for comparatively rapid analysis of data.

A simulation model, for example, enables the description of systems that would otherwise be extremely difficult and too complex for traditional calculus. Modeling allows scientists to study coexistence, population dynamics, and many other aspects of ecology. Modeling can help predict patterns for crucial planning purposes, such as for climate change.

Humanity’s impact on the environment will continue. It, therefore, becomes ever more crucial for ecologists to use ecological research methods to find ways to mitigate the effects on the environment.

Experimentation:

The overarching purpose of ecological methods for research is to get high-quality data. Experiments must be carefully planned.

Hypothesis: The first step in any experimental design is to come up with a hypothesis or scientific question. Then, researchers can come up with a detailed plan.

Factors that affect fieldwork experiments include the size and shape of an area that needs to be sampled. Field site sizes range from small to very large, depending on what ecological communities are being studied. Experiments in animal ecology must take into account the potential movement and size of animals.

For example, spiders would not require a large field site for study. The same would be true when studying soil chemistry or soil invertebrates. You could use a size of 15 meters by 15 meters.

Herbaceous plants and small mammals might require field sites of up to 30 square meters. Trees and birds might need a couple of hectares. If you are studying large, mobile animals, such as deer or bears, this could mean needing a quite large area of several hectares.

Deciding upon the number of sites is also crucial. Some field studies might require only one site. But if two or more habitats are included in the study, two or more field sites are necessary.

Tools: Tools used for field sites include transects, sampling plots, plotless sampling, the point method, the transect-intercept method, and the point-quarter method. The goal is to get unbiased samples of a high-enough quantity that statistical analyses will be sounder. Recording information on field data sheets aids in the data collection.

A well-designed ecological experiment will have a clear statement of purpose or question. Researchers should take extraordinary care to remove bias by providing both replication and randomization. Knowledge of the species being studied as well as the organisms within them is paramount.

Results: Upon completion, collected ecological data should be analyzed with a computer. There are three types of ecological experiments that can be made: manipulative, natural, and observational.

Hope This Helps!

The 3 general methods used by ecologists to study organisms include:

Observation involves observing organisms in their natural habitats or environments and then recording the findings. It is usually done by field surveying.

The different species living in an environment, how they interact with each other and other abiotic components of the environment are some of the observations taking during field surveys. The growth of individual species, the effects of introducing new species, their adaptations and other areas of community or ecosystem ecology can be studied through observation.

Modelling requires a simulation of real-life ecological processes through  different manipulations. This could be done in the laboratory, on the field, or even on the computer. Computer modelling requires that data from observation or experimentation are supplied as input and the inputs are subject to mathematical maneuvering.

With models, complex ecological processes can be simulated and analyzed and extrapolated to deduce how things might happen in real life ecological interactions.  

Experimentation involves setting up experiments following the scientific method. It can be a observational or controlled experiments.

Observational experiments requires studying organisms, populations, communities, or ecosystems through pure observation without changing or manipulating any variable.

Controlled experiments requires that variables are introduced and manipulated in some groups while some groups serve as the baseline without any manipulated variables.

Data are obtained from experiments and these are analyzed in relevant ways to support or reject hypotheses.  

More on ecological studies can be found here: https://brainly.com/question/22875048

1st- Selection bias, 2nd - expectation bias

Wow I feel like such a hero

Answer:

Water vapor and clouds are the major contributors to Earth's greenhouse effect

Explanation:

Answer:

Metabolic degradation, excretion, and repair.

Explanation:

Answer:

Plasma estrogen levels reach their peak at the end of the luteal phase of the ovarian cycle.

a. True

Explanation:

A woman's estrogen levels become highest towards the end of her ovulation.  At this point, the woman is naturally prepared for a possible pregnancy.  The occurrence of the highest estrogen levels coincides with the luteal phase, a stage of a woman's menstrual cycle, which occurs after ovulation (or the release of eggs from the ovaries), and before the start of the normal period. This luteal phase has been observed to be within 14 days for all women.  By the end of the luteal phase, the corpus luteum function declines.

Answer:

It is important because biology mainly deals with the study of cells, genes, and all organisms. Some organisms are so small that they can only be seen by using very strong magnifications, which can only be achieved by a microscope.

Answer:

Bacterium is prokaryotic while frog is eukaryotic, also Bacterium is unicellular while frog is multicellular

Explanation:

Bacteria can be considered unicellular prokaryotic organisms, whereas a frog is a multicellular eukaryotic organism.

Prokaryotic cells are specific cells that do not have a cell nucleus and also lack membrane-bound organelles.

In conclusion, bacteria are unicellular prokaryotic organisms, whereas a frog is a multicellular eukaryotic organism.

Learn more about prokaryotic cells here:

https://brainly.com/question/5716507

#SPJ2

Answer:

What Exactly Do Energy Pyramids Have to Do With Energy? Energy pyramids show a very cool trend: Each level only gets 10% of the energy from the level below it.

Explanation:

Answer:

Codominance- Two traits are both present in a third phenotype.

Incomplete Dominance- Two traits blend to form a third phenotype.

Sex-Linked Traits- Determined by gene located on sex chromosomes.

Explanation:

I hope this helps.

The first thing Fiona, or anyone, should do is form her hypothesis.

The hypothesis is your own proposed explanation for whatever phenomenon you're trying to study. Think of it as a predetermined idea of what could happen based on what you already know.

Answer:

The correct answer is D!:)

Explanation:

Hope this helps!:)

Answer:

its b

Explanation:

Answer:

Fungi, insects, and earthworms

Explanation:

They decompose wastes, returning nitrogen back to the ecosystem.

Listen to pronunciation. (uh-MEE-noh A-sid SEE-kwents) The arrangement of amino acids in a protein. Proteins can be made from 20 different kinds of amino acids, and the structure and function of each protein are determined by the kinds of amino acids used to make it and how they are arranged.

Answer:

the tundra biome :)

Explanation:

grass lands aren't very cold

forests aren't cold

the desert is hot

and tundra is super cold

Answer:

Chomosomes are duplicated during interphase

Brainliest?

Answer:

Plant cell needs cell wall whereas animal cell do not because the plants need rigid structure so that they can grow up and out . ... So animal cells can have various shapes, but plant cells only have the shapes of their cell walls.

Explanation:

Thats because Plant cell needs cell wall whereas animal cell do not because the plants need rigid structure so that they can grow up and out . ... So animal cells can have various shapes, but plant cells only have the shapes of their cell walls.

Answer:

Water vascular system = Echinodermata

Tentacles with stinging cells= Cnidaria

Molting for growth= Arthropoda

Presence of mantle= Molluska

Explanation:

Answer: Crossing over is a biological occurrence that happens during meiosis when the paired homologs, or chromosomes of the same type, are lined up.

Explanation:

Answer:

(;-;)

Explanation:

To be honest i dont know either

Answer:

A. Tundra

Explanation:

Think Antarctica. That's a Tundra.

Answer:

Tundra

Explanation:

Answer:

1

Explanation:

Lichen are usually the first thing to grow on bare rock, making them a pioneer species. Fun fact, you can use lichen to determine if the air quality in an ecosystem is polluted.

Hope this helped :)

Answer:

Arteries connect to capillaries and veins don't connect to capillaries

Explanation:

Actually both are connected by capillaries

Answer:

is B

Explanation:

volcanic activity was more common in the past than it is today.

Answer:

Increased Joint Mobility

Answer:

yes it would change

Explanation:

lots of factors can contribute like acceleration distance and resistance.