ehd123

These four hallmark characteristics of chordates develop from which structures?

These four hallmark characteristics of chordates develop from which structures?

Where have I gone wrong here? I cannot for the life of me figure out which one I got wrong. I only got one wrong I think.

[img width=350 height=282]https://biol

Nonameeee   160   3 Replies

bio_man

If the interior of the thylakoid were not a sealed compartment ________.

If the interior of the thylakoid were not a sealed compartment ________.

If the interior of the thylakoid were not a sealed compartment ________.
A) There would be no location for the electron transport chain
B) Light would not be able to reach the photosystems
C) Water could not be split
D) The proton gradient could

borteleto   199   3 Replies

Jake Conti

Which of the following is a symptom of pleiotropic genetic disease (multiple gene effects) caused ...

Which of the following is a symptom of pleiotropic genetic disease (multiple gene effects) caused ...

[html]Which of the following is a symptom of pleiotropic genetic disease (multiple gene effects) caused directly by bad breeding programs?

▸ persistent mucus in stool

▸ reflux of esophageal contents

▸ moderate to severe joint damage

▸ temporary v

rachelarnold   74   2 Replies

Song Dong

The ancestry of birds lies among the _______________. a.tetanurans b.tyranno

The ancestry of birds lies among the _______________. a.tetanurans b.tyranno

The ancestry of birds lies among the _______________.
   a.   tetanurans
   b.   tyrannosaurids
   c.   ceratosaurs
   d.   dilophosaurs

Lauren1   568   8 Replies

Song Dong

Which of these phyla CAN have an asymmetrical body plan?

Which of these phyla CAN have an asymmetrical body plan?

Mollusca, Arthropoda, Cnidaria, Rotifera, Platyhelminthes, or Porifera?



This isn't for a grade, but I am asking you guys because I suspect this to be a very tricky question. My knowledge tells me Mollusca.... because spong

Nonameeee   91   3 Replies

bio_man

Why do florists and horticulturists often cut stems while they're holding a plant underwater?

Why do florists and horticulturists often cut stems while they're holding a plant underwater?

Why do florists and horticulturists often cut stems while they're holding a plant underwater?
A) to avoid transpiration
B) to prevent dormancy
C) to disrupt apical dominance
D) to avoid formation of an embolism

purpleberry   301   3 Replies

Sergio Hernandez1

The most extensively sampled record of dinosaur extinction is in ____________.

The most extensively sampled record of dinosaur extinction is in ____________.

The most extensively sampled record of dinosaur extinction is in ____________.
   a.   Mongolia
   b.   eastern Montana
c.   northwestern New Mexico
d.   eastern Wyoming

Lauren1   810   4 Replies

FaithGibb

What modified plant part would include a white potato as an example?

What modified plant part would include a white potato as an example?

What modified plant part would include a white potato as an example?
A) stem
B) root
C) leaf
D) flower

chezmoi   178   3 Replies

yeet bus

How can I make a terrarium that can be atmospherically and pressure controlled for growing animals

How can I make a terrarium that can be atmospherically and pressure controlled for growing animals

So, basically I want to try and simulate prehistoric growth conditions. I need to be able to control the oxygen and carbon dioxide levels, along with increasing the atmospheric pressure from sea level to 2x. Does anybody know how to design a terrariu

C. Bruce   65   1 Reply

bio_man

Which plant is best adapted to prevent an embolism in their xylem tubes?

Which plant is best adapted to prevent an embolism in their xylem tubes?

Which plant is best adapted to prevent an embolism in their xylem tubes?
A) a banana plant in a very warm climate
B) a spruce tree with narrow, tapering tracheids
C) a maple tree with wide, perforated vessel elements
D) a cattail

purpleberry   415   7 Replies

kennedymalone03

A characteristic that is shared by snakes and birds is ______.

A characteristic that is shared by snakes and birds is ______.

A characteristic that is shared by snakes and birds is ______.
A) being ectothermic
B) the presence of only a single ovary in females
C) the amniotic egg
D) being endothermic

mikael   4306   6 Replies

Omar Refaie

Evidence for group behavior in sauropods is provided by _____________. a.track

Evidence for group behavior in sauropods is provided by _____________. a.track

Evidence for group behavior in sauropods is provided by _____________.
   a.   trackways
   b.   mass death assemblages
   c.   nests of eggs
   d.   a and b

Lauren1   799   4 Replies

Art Agent Aneko

As shown here, what is a bean/bean pod actually?

As shown here, what is a bean/bean pod actually?

As shown here, what is a bean/bean pod actually?
A) stem
B) fruit
C) axillary bud
D) petiole

purpleberry   492   4 Replies

Dammy Emego

Suppose you laid a seedling on its side so that the root was parallel to the ground. Immediately ...

Suppose you laid a seedling on its side so that the root was parallel to the ground. Immediately ...

Suppose you laid a seedling on its side so that the root was parallel to the ground. Immediately after the change in position, where in the root cells (position A, B, or C in the figure above) would you find the amyloplasts? The answer should be one

ceybe   582   3 Replies

Aaryan Menon

The mechanism by which bumblebees and certain moths generate preflight heat i

The mechanism by which bumblebees and certain moths generate preflight heat i

 
The mechanism by which bumblebees and certain moths generate preflight heat in thoracic muscles involves   
A)
 
a metabolic futile cycle in carbohydrate metabolism   
B)
 
the simultaneous contr

Jermain_   363   3 Replies

Krissy Marie

Predict the photosynthetic pathway that might be used by a saguaro cactus?

Predict the photosynthetic pathway that might be used by a saguaro cactus?

A. C4 pathway
B. CAM
C. C3 pathway
D. Nitrogen fixation

ffmedic1043   1591   3 Replies

Chandler Powell

The poorly formed limb joints of hatchling Maiasaura suggest they were _________

The poorly formed limb joints of hatchling Maiasaura suggest they were _________

The poorly formed limb joints of hatchling Maiasaura suggest they were ________________.
   a.   endothermic
   b.   ectothermic
   c.   altricial
   d.   precocial

Lauren1   487   4 Replies

JD UwU

What are the advantages of producing gametes within a flower?

What are the advantages of producing gametes within a flower?

 What are the advantages of producing gametes within a flower?

colleen   775   2 Replies

Cooper Gluck

On a cladogram, a dog is more closely related to a _________ . a.cat than a f

On a cladogram, a dog is more closely related to a _________ . a.cat than a f

On a cladogram, a dog is more closely related to a  _________ .
   a.   cat than a frog
   b.   frog than a cat
   c.   trout than a horse
   d.   trout than a whale

Lauren1   840   4 Replies

Cpierce5011

Ceratopsid frills functioned _____________. a.in thermoregulation b.as the si

Ceratopsid frills functioned _____________. a.in thermoregulation b.as the si

Ceratopsid frills functioned _____________.
   a.   in thermoregulation
b.   as the sites of attachment of jaw-moving muscles
c.   in display
d.   all of the above

Lauren1   734   4 Replies

FaithGibb

Ramon is observing slides of transverse sections of roots of unlabeled plants.?

Ramon is observing slides of transverse sections of roots of unlabeled plants.?

Ramon is observing slides of transverse sections of roots of unlabeled plants. One of the slides shows a vascular bundle that is arranged as a ring of xylem and phloem about the center of the root. Another slide shows a central bundle of xylem and ph

rivera5454   3291   2 Replies

destiny grant

Which of the following ensures that the product does not rise above the maximum limit (for ash, ...

Which of the following ensures that the product does not rise above the maximum limit (for ash, ...

[html]Which of the following ensures that the product does not rise above the maximum limit (for ash, fiber, water) or fall below the minimum limit (protein, fat, energy) as per the requirement?

▸ guaranteed analysis

▸ ingredients list

▸ adequacy

Kira214   81   2 Replies

Thelma Sabb

Fish Eyes. Any experts on fish eyes?

Fish Eyes. Any experts on fish eyes?

Are there any ichthyologists that know the anatomy of zebrafish eyes? I would like to know how well they see.

CarbonRobot   98   2 Replies

CarbonRobot

Why is bone such a useful structural material for tetrapods on land? Calcified cartilage is lighter ...

Why is bone such a useful structural material for tetrapods on land? Calcified cartilage is lighter ...

Why is bone such a useful structural material for tetrapods on land? Calcified cartilage is lighter than bone. Isn't that an advantage for a terrestrial vertebrate?
 
  What will be an ideal response?

chubi1993   202   2 Replies

Kelvin T

The preferred form of stored fuel for migratory animals is

The preferred form of stored fuel for migratory animals is

 
The preferred form of stored fuel for migratory animals is   
A)
 
amino acids.   
B)
 
glycogen and other types of starch.   
C)
 
lipid.   
D)
 
protei

Jermain_   614   3 Replies

weewoopolice

Which of the following best describes the condition of a twig if the auxin produced by its apical ...

Which of the following best describes the condition of a twig if the auxin produced by its apical ...

Which of the following best describes the condition of a twig if the auxin produced by its apical meristem is conveyed equally down all sides?
A) It will elongate.
B) It will branch near its tip.
C) It will produce a flower.
D) It will bend to on

kaylie.yardley   225   3 Replies

Zachary Smith

The most famous diplodocid is ________________. a.Barosaurus b.Supersaurus

The most famous diplodocid is ________________. a.Barosaurus b.Supersaurus

The most famous diplodocid is ________________.
   a.   Barosaurus
   b.   Supersaurus
   c.   Apatosaurus
   d.   Brachiosaurus

Lauren1   922   4 Replies

Hdhehe

Why do we call Paleozoic chondrichthyans such as Cladoselache sharks, and why isn't that ...

Why do we call Paleozoic chondrichthyans such as Cladoselache sharks, and why isn't that ...

Why do we call Paleozoic chondrichthyans such as Cladoselache sharks, and why isn't that terminology strictly correct?
 
  What will be an ideal response?

NATTYICE325   117   2 Replies

Vada Sayers

Two clades of tetanurans are recognized, the __________ and ___________. a.cera

Two clades of tetanurans are recognized, the __________ and ___________. a.cera

Two clades of tetanurans are recognized, the __________ and ___________.
a.   ceratosaurs, coelurosaurs
b.   carnosaurs, dilophosaurs
c.   dromaeosaurs, elmisaurs
d.   carnosaurs, coelurosaurs

Lauren1   585   4 Replies

FaithGibb

Ladybug mating

Ladybug mating

Today i saw red and black ladybug are mating,what kind of ladybug will be hatched from that? I read that their mating time is in spring and autmn ..but i didnt find any info for this ,so if someone  know anwser i will be thankfull ...greetings f

DKitty   86   2 Replies

Dkitty

Two great expeditions of the first half of the 20th Century collected dinosaurs

Two great expeditions of the first half of the 20th Century collected dinosaurs

Two great expeditions of the first half of the 20th Century collected dinosaurs in ________ and ________.
   a.   Europe, South America
   b.   China, Russia
   c.   Tanzania, Mongolia
   d.   Madagascar, Australia

Lauren1   768   4 Replies

Arin Edwards

How many moles of ATP are required to produce one mole of urea?

How many moles of ATP are required to produce one mole of urea?

 
How many moles of ATP are required to produce one mole of urea?   
A)
 
1   
B)
 
5   
C)
 
10   
D)
 
50   

Jermain_   420   3 Replies

Riya Thapa

It takes _________ years or more for most bones to fossilize. a.1 million b.

It takes _________ years or more for most bones to fossilize. a.1 million b.

It takes _________ years or more for most bones to fossilize.
   a.   1 million
   b.   ten thousand
   c.   five
   d.   10 million

Lauren1   599   4 Replies

Arin Edwards

Vasectomy is female sterilization.

Vasectomy is female sterilization.

Vasectomy is female sterilization.


▸ true

▸ false

rachelarnold   100   1 Reply

momoneymoprobz

The slow block to polyspermy occurs when polar bodies discharge their contents, thereby altering the ...

The slow block to polyspermy occurs when polar bodies discharge their contents, thereby altering the ...

[html]The slow block to polyspermy occurs when polar bodies discharge their contents, thereby a

Deeznutz21   84   1 Reply

Ayeayeaye0

Which of the following is one function of the developing follicle?

Which of the following is one function of the developing follicle?

[html]Which of the following is one function of the developing follicle?


▸

kiaraancheta   94   1 Reply

djaser

Which of the following is contained in the semen?

Which of the following is contained in the semen?

[html]Which of the following is contained in the semen?


▸

arvind1   85   1 Reply

harry240

Which of the following is an advantage that internal fertilization has over external fertilization?

Which of the following is an advantage that internal fertilization has over external fertilization?

[html]Which of the following is an advantage that internal fertilization has over external fertilization?


▸

Jeriko   96   1 Reply

jessicacaca

Which of the following is an accessory gland in males?

Which of the following is an accessory gland in males?

[html]Which of the following is an accessory gland in males?


▸

aly0303   83   1 Reply

KayLoveAStudent

Which hormone, when present in a human female's urine, indicates a pregnancy?

Which hormone, when present in a human female's urine, indicates a pregnancy?

[html]Which hormone, when present in a human female's urine, indicates a pregnancy?


▸

Adarab   93   1 Reply

Nose_Nation