ehd123

What sex does this flower have?

What sex does this flower have?

Sadah_17   235   1 Reply

bio_man

Biology homework

Biology homework

Hi I need help with this question

Post Merge: 2 years ago

[img width=350 height=296]https://biology-forums.com/galle

Sadah_17   232   1 Reply

bio_man

Biology homework

Biology homework

In the following photo you can see a plant species in flo

Sadah_17   212   1 Reply

bio_man

What is the most likely sexual system of

What is the most likely sexual system of

All the flowers in the following picture are fully in bloom. What is the most likely sexual system of the plant shown in the picture?
O Dioecy
O Hermaphrodifism
O Monoecy

[url=https://biology-forums.com/index.php?action=galler

Sadah_17   203   1 Reply

bio_man

What Is the most likely sexual system of the species of the plant shown In the following plcture?

What Is the most likely sexual system of the species of the plant shown In the following plcture?

What Is the most likely sexual system of the species of the plant shown In the following picture?

[img width=350 height=156]https://biology-forums.com/gallery/44

Sadah_17   193   1 Reply

bio_man

What are possible sexual systems of the species of the plant shown in the following picture? C] Dloe

What are possible sexual systems of the species of the plant shown in the following picture? C] Dloe

What are possible sexual systems of the species of the plant shown in the following picture?
C] Dloecy
C] Hermaphrodifism
C] Monoecy

[img width=350

Sadah_17   181   1 Reply

bio_man

Are there any species of aster that have 1 layer of bract?

Are there any species of aster that have 1 layer of bract?

Are there any species of aster that have 1 layer of bract or do all species of aster have multiple layers of bract?

dl09   371   2 Replies

jelapaj846

Where does Gyinus live And how does je adapt?

Where does Gyinus live And how does je adapt?

Hello, does anyone now where does the insect Gyrinus live? And how did je adapt his legs to this palce?
Also I need to describe this photo, so Im thankfull for any suggestions and replies!:)
Thank you

Biologie juu   230   1 Reply

bio_man

Did parallel evolution happen in epiphytes, halophytes and rheophytes?

Did parallel evolution happen in epiphytes, halophytes and rheophytes?

I would like to ask you about the parallel evolution that happens in halophytes, rheophytes and epiphytes? independently how many times?
Please help me about this. It will be better, if there are an example.

anna_lee   335   1 Reply

duddy

Can we make a pattern that humans can't see but bugs can?

Can we make a pattern that humans can't see but bugs can?

I've been working on a project for a while and i need help. Basically i need to know if we can make a pattern that only bugs like flys can see but humans can't

WolfPride   635   5 Replies

bio_man

Sauropod diversity during the Cretaceous was mostly limited to _________________

Sauropod diversity during the Cretaceous was mostly limited to _________________

Sauropod diversity during the Cretaceous was mostly limited to _________________.
   a.   North America
   b.   Eurasia
c.   the southern continents
d.   none of the above

Lauren1   955   5 Replies

Lam Cake

The sudden reappearance of sauropod dinosaurs in North America about 70 million

The sudden reappearance of sauropod dinosaurs in North America about 70 million

The sudden reappearance of sauropod dinosaurs in North America about 70 million years ago probably reflects _______________.
a.   immigration from South America
b.   biases in collecting
c.   re-evolution
d.   convergence

Lauren1   1410   5 Replies

Lisandra Silva

A multi-turn potentiometer is one that :

A multi-turn potentiometer is one that :

A multi-turn potentiometer is one that
 
  A) has one turn
  B) is gang-mounted
  C) is non-linear
  D) will have a shaft that allows for rotations greater than 360

Question 2

Water c

lhise7   307   4 Replies

kadinw

Molecules that can cross a membrane unassisted due so either by

Molecules that can cross a membrane unassisted due so either by

Molecules that can cross a membrane unassisted due so either by
 a. carrier mediated transport or facilitated diffusion.
  b. passive diffusion or active transport.
  c. conduction or passive transport.
  d. facilitated diffusion

EZ   135   2 Replies

김지수1

Why is it orangutans share more physical features with us, but chimps are closer to us genetically?

Why is it orangutans share more physical features with us, but chimps are closer to us genetically?

It seems weird to me that we'd share more DNA with chimpanzees, but orangutans would physically look more like us. For example, they have hair lines, they have more similar molar teeth, more differentiated left and right brain hemispheres than o

Grasshopper   91   1 Reply

bio_man

Can someone identify me this worm like creature?

Can someone identify me this worm like creature?

So basically these worm ,,things'' *(I am not a biology student so I can use incoherent words ) are stretching out at night from between large stone stairs.
If someone approaches them close enough or flash a light to them, they disap

FregO   117   2 Replies

bio_man

Poisonous Snakes consuming poison (Chemical).

Poisonous Snakes consuming poison (Chemical).

While travelling with my Son to a religious shrine, we saw a dead snake lying on the road.

My Son asked a curious question to me "Dad, if Poisonous snakes consume poison (Chemical), Will they die"?

I feel the ans

prashantakerkar   119   1 Reply

bio_man

Strange rocky material fell from the sky with odd surface features and microbiology inside it

Strange rocky material fell from the sky with odd surface features and microbiology inside it

Hello all,

I live in Birmingham, UK.  At 10pm on 17th July 2020 an aerial fireball object fell from the sky, broke apart near our house, and showered rocky fragments on the garden and drive.   We heard it happen and 2 CCTV caught

Bazil_SW   170   2 Replies

Bazil_SW

Compare and contrast the lycophyte and bryophyte life cycles with respect to the sizes and longevity

Compare and contrast the lycophyte and bryophyte life cycles with respect to the sizes and longevity

Compare and contrast the lycophyte and bryophyte life cycles with respect to the sizes and longevity of gametophyte and sporophyte phases

Paulus Kandowa   293   2 Replies

duddy

Finding references for the reproduction of two organisms

Finding references for the reproduction of two organisms

Hi, my current assignment at university is to compare two organisms (photorhabdus luminescens and dytiscus marginalis) using one of the following comparison points: reproduction, cell organisation, metabolism growth, response to stimuli and biotic in

Amelia Mayson Brown   287   3 Replies

bio_man

Which fish are obligate ram ventilators?

Which fish are obligate ram ventilators?

I have a few questions about obligate ram ventilators.

Are all fish without a Operculum (and therefore unable to function a bucal-opecular pump) obligate ram ventilators?
Are all Elasmobrancii obligate ram ventilators?
When non-o

Stapler   3277   1 Reply

bolbol

Popular press about plants assignment guideline

Popular press about plants assignment guideline

Hello,

So I have an assignment from my plant biology class where we have to find a popular press article that reviews or talks about a scientific article, we need to summarize both articles and talk about if the popular press articl

Mateyman   136   3 Replies

bio_man

Which Ecdysozoan phylum contains three-quarters of the known animal species?

Which Ecdysozoan phylum contains three-quarters of the known animal species?

[html]Which Ecdysozoan phylum contains three-quarters of the known animal species?


▸

ashlynn   234   2 Replies

Chloe Johnson1

Which sentence best describes the relationship between gametophyte and sporophyte in the angiosperm ...

Which sentence best describes the relationship between gametophyte and sporophyte in the angiosperm ...

[html]Which sentence best describes the relationship between gametophyte and sporophyte in the angiosperm life cycle?


▸

sehej123   120   2 Replies

alexis milani

Which hormone's reduction in its amount causes a bush to become more bushy (have more lateral ...

Which hormone's reduction in its amount causes a bush to become more bushy (have more lateral ...

[html]Which hormone's reduction in its amount causes a bush to become more bushy (have more lateral growth) after trimming a shrub?


▸

asdasdASDasZ   94   2 Replies

Alfred Molles

Difference between crypsis and camouflage

Difference between crypsis and camouflage

Hi,

I would like to know if anybody knew the difference between camouflage and crypsis.
Some sources says camouflage is a crypsis technique and orther sources that crypsis is a kind of camouflage. On the other hand, some says that cam

Charleskza   131   3 Replies

bio_man

Photosystem II fill-in-the-blank?

Photosystem II fill-in-the-blank?

Trace the flow of electrons in photosystem II from water to reduced plastoquinone (Q) by moving the terms to the appropriate blanks in the sentences below. Two terms will be used more than once.

1. Photons break the bonds in two ____ molecules, yiel

LESHUDSON74   2318   2 Replies

Chelsea_Rogers

House pets tame?

House pets tame?

Do dogs and cats get meds in order to domesticate them and make them less wild?

CarbonRobot   120   3 Replies

bio_man

What creature dug up in the garden, natural PTFE color, sheen, thick a needle, maybe foot long?

What creature dug up in the garden, natural PTFE color, sheen, thick a needle, maybe foot long?

Assume some species of nematode. Kind of tangled up and writhing when found. No obvious head.

Bodley Fludes   123   1 Reply

bio_man

Mrs. Roger's dog Lady is being treated by Dr. Smith of Grand View Animal Hospital, 623 Market St, ...

Mrs. Roger's dog Lady is being treated by Dr. Smith of Grand View Animal Hospital, 623 Market St, ...

Mrs. Roger's dog Lady is being treated by Dr. Smith of Grand View Animal Hospital, 623 Market St, Hawthorne, PA 18234, 555-555-2349 . Lady is a 50 lb. Shepherd mix. Dr. Smith instructs you to dispense Baytril tablets (100 mg) at a dosage of 2mg/lb. t

wyatt7799   323   4 Replies

tootsieroll890

Explain how bryophytes are an intermediate between green algae and terrestrial p

Explain how bryophytes are an intermediate between green algae and terrestrial p

Explain how bryophytes are an intermediate between green algae and terrestrial plants.

colleen   1806   3 Replies

Daniel Lee

Recycling in ecosystems is mainly carried out by:

Recycling in ecosystems is mainly carried out by:

Recycling in ecosystems is mainly carried out by:
A) small animals feeding on plants.
B) large animals feeding on small animals.
C) mycorrhiza.
D) saprophytes and detritivores.

mookieT   483   3 Replies

Lmoony

In the F1 generation, the allele for yellow seeds would have been found where?

In the F1 generation, the allele for yellow seeds would have been found where?

When conducting his research into the genetics of garden peas, Gregor Mendel crossed true-breeding yellow seeded plants with true-breeding green-seeded plants. He observed that all the F1 generation had yellow seeds.
In the F1 generation, the al

kasy110   2737   2 Replies

Ally Desnoyers

Hadrosaurids may have been the only __________ dinosaurs. a.arboreal b.aquat

Hadrosaurids may have been the only __________ dinosaurs. a.arboreal b.aquat

Hadrosaurids may have been the only __________ dinosaurs.
   a.   arboreal
   b.   aquatic
   c.   volant
   d.   ambidextrous

Lauren1   872   4 Replies

Andrew Conrad

Based on phylogenetic studies, which of the following is most closely related to humans?

Based on phylogenetic studies, which of the following is most closely related to humans?

1. sea cucumber
2. octopus
3. sponge
4. ant
5. waterbear

Nonameeee   90   1 Reply

bio_man

Which of the following is a description of the process called Endosymbiosis?

Which of the following is a description of the process called Endosymbiosis?

1. A simple prokaryote invaded another cell or was engulfed by it and became an organelle in that cell.
2. None of these are Endosymbiosis.
3.All of these are Endosymbiosis.
4. A termite can only digest wood if it has certain protist

Nonameeee   75   1 Reply

bio_man

Which of the follow is true about Darwin?

Which of the follow is true about Darwin?

1. None of these answers are true.
2. two of these answers are true.
3. He was the first true geneticist
4. He believed an individual could develop certain traits that it could pass on to its offspring.
5.His theory of evoluti

Nonameeee   67   1 Reply

bio_man

What increases the number of alleles in a species (not just a population)?

What increases the number of alleles in a species (not just a population)?

1. Natural selection
2. Bottleneck effect
3. Founder effect
4. mutation
5. Gene flow


I'm torn between mutation and natural selection.. .

Nonameeee   83   1 Reply

bio_man

A weird question presumably about invisibility or translucence its badly worded.

A weird question presumably about invisibility or translucence its badly worded.

Tardigrada wasn't correct, nor was Gastrotricha. What on earth is this asking me...

[img width=350 height=127]https://biology-forums.com/gallery/42/967094_1

Nonameeee   161   3 Replies

bio_man

As a general rule, the nervous system coordinates ________ while the endocrine system regulates ...

As a general rule, the nervous system coordinates ________ while the endocrine system regulates ...

As a general rule, the nervous system coordinates ________ while the endocrine system regulates ________.
 a. nervous activity, endometrial activity
  b. rapid responses, long lasting activities
  c. nail-biting, immune responses

Blueyasser   110   2 Replies

Song Dong