Answer:
Explanation: For example, the wings of a fly, a moth, and a bird are analogous because they developed independently as adaptations to a common function—flying. The presence of the analogous structure, in this case the wing, does not reflect evolutionary closeness among the organisms that possess it.
19. In their immediate environment, organisms
O find food and shelter
O reproduce
O interact with other living things
O all of the above
Can you use mass alone to predict whether an object will sink or float? Explain.
Answer:
No, you need both mass and volume to determine its desity to see if it can float.
Explanation:
Density is the only thing affecting whether something floats or sinks. If an object has a higher density than the fluid it is in (fluid can mean liquid or gas), it will sink. If it has a lower density, it will float. Density is determined by an object's mass and volume.
What were the oldest living things from 3.5 billion years ago like?
Answer:
Big.
Explanation:
Most of the animals there were most likely really big. like turtles and bugs.
Explain why eagle is the strongest bird in the world?
Answer:
the eagle is described as the strongest bird because
Explanation:
it is always alone it is hard to find eagles in groups to look for food unlike other birds which go in groups
it's ability to get it's pray also made it to be one of the strongest birds
this is my opinion
plzzz rate
A ______ line dropping from the pair indicates offspring
Answer:
alleles
Explanation:
If a person has a dominant gene and a recessive gene for a certain trait, which will be expressed?
Answer:
The dominant gene.
Explanation:
When an organism is classified as an autotroph, these organisms ___.
A. produce their own food.
B. can not move from one place to another.
C. can not produce their own food.
D. move very fast.
Answer:
I believe the answer is A. Produce their own food.
Hope this helped :)
please help i dont understand this
Answer:
The problem is asking what gas the water plant is releasing, which in this case would be
D. Oxygen
Species with which type of reproductive patterns are the most vulnerable to
extinction? Explain your
answer.
Answer:
Those species that are more vulnerable to extinction are the big-sized ones, that reach their sexual maturity in a relatively advanced stage of their lives and have a low growth rate per capita. They have a low reproductive rate.
Explanation:
There are specific heritable traits such as reproductive rate, trophic level, dispersion capability, that influence different species and their trend to be more or less vulnerable to extinction. "k" species have a low growth rate per capita, but they are big competitors with the capacity of displacing other species and monopolizing the available resources. These are big-sized species that live for a long time, reaching sexual maturity in advanced stages of their lives. They do not have numerous progenies, and hence, they spend a lot of time in parenting. Any environmental disturbance seems to severely affect them. These animals have a higher risk of getting extinct than those species with short-lived and elevated reproductive rates.
For many mammals and birds, this is a linear relationship. The bigger is the species, the more prone to get extinct it is.
What kind of interaction results from two organisms with a limited supply of food, space, and mates?
A) parasitism
B) mutualism
c) competition
D) predation
PLS HELP ASAP
Answer:
Parasitism
Explanation:
Other organisms will depend on others for food and space
so urm Bad quality camera :)
Write any three ways to establish a planned city.
Answer:
Build for people with Wide open space, Green infrastructure, Get rid of high-rise flats, It's time to say goodbye to the car, Shorten the supply chain, People power, More communal living. hope this helps
Explanation:
3.
Which of the following is a characteristic of a seed?
a
Some seeds have features that allow them to
be carried long distances by wind.
b
Some seeds are embedded in fleshy fruits so
they are eaten by animals.
С
Some seeds have adaptations so that they
will be carried on the fur of an animal.
d All of the above are characteristics of seeds.
Hi
Answer:
A
Explanation:
I believe its "Some seeds have features that allow them to be carried long distances by wind "
Answer:
d
Explanation:
All of the above are characteristics of seeds.
Hi
According to the diagram on the ticks life cycle, when is the MOST LIKELY time for ticks to attack human hosts?
A)
spring
B
Summer
C
spring and fall
D)
spring and summer
The diagram on the tick's life cycle is not found here, but the MOST LIKELY time for attacking human hosts is spring and summer.
What are ticks?Ticks are arthropods that can be found worldwide and they are characterized to be blood-sucking.
These arthropods (ticks) may cause serious harm to human health and other animal host species.
In conclusion, the diagram on the tick's life cycle is not found here, but the MOST LIKELY time for attacking human hosts is spring and summer.
Learn more about ticks here:
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Relaciona cada acontecimiento del ciclo cardíaco con alguno de estos términos diástole, sístole auricular o sistole ventricular
Answer:
El ciclo cardíaco consta de dos períodos i. mi. diástole y sístole.
Explicación:
El ciclo cardíaco consta de dos períodos i. mi. La diástole es aquella durante la cual el músculo cardíaco se relaja y se llena de sangre, mientras que la sístole es un período de contracción y bombeo de sangre. La diástole ventricular es el momento en el que las dos cámaras inferiores del corazón conocidas como ventrículos se relajan para permitir que la sangre fluya hacia adentro. La diástole auricular es el momento en que las dos cámaras superiores del corazón llamadas aurículas se relajan y permiten que la sangre fluya en.
What are physical characteristics of roundworms?
Answer:
Roundworms can grow up to 3 meters and can be so small they can't be seen with the naked eye. Some roundworms have hooks to cling to certain body parts without being carried away by blood or other fluid. Roundworms are covered in a strong, but flexible, covering
Explanation:
Correlations of shark tale
Answer:
what????!!?????????
distinguishing feature you observe between protozoa & fungi
One distinguishing feature is that protozoa are unicellular while fungi are multicellular.
pls help will mark brainliest
Answer:
do it as biggest to smallest, cells from the start and the balls towards the end.
Explanation:
how does pressure extract in liquid explain for 3 marks
Answer:
As depth increases, so does the pressure
Explanation:
For example, if you had a boat on water there would be the weight of the boat and the up thrust. If the weight of the boat is more than the up thrust then the boat will sink but if the up thrust is more than the weight of the boat, the boat will float
What kind of skull is this
Answer:
The skull is from a fossil skull of Styracosaurus - a horned dinosaur.
Explanation:
This skull image is the skull of a Styracosaurus dinosaur who was a huge dinosaur almost 5 meters or more with the horned present on the skull. This is a fossil skull representation from the fossils.
Styracosaurus was present 75 million years ago during the Cretaceous period who was a completely herbivorous ceratopsian dinosaur.
Thus, the skull is from a fossil skull of Styracosaurus - a horned dinosaur.
as you get farther away from earth the layers of the atmosphere get colder or warmer?
Answer:
Colder
Explanation:
match the different parts of leaf to its description.
Just in case you can't read the picture well I wrote out what it says. Here are the boxes.
1.Leaf blade
2.Cutin
3.Xylem and phloem
4.Petiole
Here are the answers for those!
A.Part by which the leaf is attached to the plant.
B.Flattened part on the leaf
C.Upper cover consisting of a waxy layer
D.Conducting tissues
Leaf Blade - Flattened part of the leaf
Cutin - Upper cover consisting of a waxy layer
Xylem and Phloem - Conducting tissues
Petiole - Part by which the leaf is attached to the plant
Potatoes can be genetically modified so that they are _________ to plant-eating beetle?
A. Toxic
B. Tacky
C. Tasty
D. None of these
Answer:
A or D
Explanation:
You would want to genetically modify the plant so that the beetles wouldn't want to eat it. If it is toxic, the bugs would stay away from it. However, you could also just modify the plant so that it doesn't taste good for the bugs, in which case you should pick D. Choose whichever answer you think is best.
A scientist wants to increase the chance of pregnancy in mice. He gives the mice a hormone that
causes them to produce more gametes. Which of the following statements justifies which process
the cells went through after the hormone injections?
GROUP OF CHOICES
Mitosis because more cells will be produced at a faster rate.
Mitosis, because daughter cells genetically identical to the parent cell are needed for reproduction.
Meiosis, because the cells produced need to be diploid rather than haploid
Meiosis since it produces haploid cells needed for reproduction.
Answer:
Meiosis since it produces gametes needed for reproduction
Explanation:
Describe one possible effect that the increased deaths of the birds could have on the rest of the ecosystem.
Describe the function of the following
organelles:
a. Nucleus-
b. Cell membrane-
c. Chloroplasts-
d. Cell Wall-
e. Cytoplasm-
Answer:
Explanation:
The nucleus is the part of the cell that controls all other functions of the cell and the organelles. It also contains DNA.
The cell membrane acts as a semipermeable barrier between the cell and the outside environment to facilitate active and passive diffusion, and to maintain the concentration of solutes inside the cytoplasm. It also has receptors on its outer surface to communicate with other cells.
Chloroplasts use energy from photons of light from the sun to undergo photosynthesis, which helps the cells create glucose, or in other words, make its own food (in plants).
The cell wall protects plant cells from antigens and, due to its boxy shape, also helps the plant have a more rigid structure so that plants can stand upright.
The cytoplasm of a cell is the fluid within the cell membrane through which organelles in the cell move around. It is also the location where glycolysis typically takes place. The cytoplasm is mostly water with salts dissolved into it.
Explain why a scientist should or should not change a theory based on one experiment?
Answer:
Because one experiment could be a fail but if you try it again it could possibly work out
Explanation:
Why are plants and animals able to survive in the tundra?
The Arctic and the summits of mountains are home to tundra ecosystems, which are characterized by their lack of trees and harsh climates with little rainfall.
What is tundra region?Snow covers tundra lands for the majority of the year, but summer provides bursts of wildflowers.
The small plants of the tundra employ dormant strategies, producing seeds only occasionally, turning with the sun to absorb energy, and growing protective coverings.
The ability to build subterranean insulated tunnels as well as heavy winter coats, seasonal color-changing camouflage, and efficient body shapes have all been developed by animals that live in the Arctic tundra.
Therefore, The Arctic and the summits of mountains are home to tundra ecosystems, which are characterized by their lack of trees and harsh climates with little rainfall.
To learn more about tundra, refer to the link:
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Answer: Plants and animals are able to survive in the tundra because they have adaptations that allow them to thrive in the harsh conditions of the Arctic and sub-Arctic regions. These adaptations include thick fur or feathers to insulate against the cold, small body size to minimize heat loss, and the ability to store food and nutrients during the short growing season. Additionally, many tundra plants have shallow roots that can absorb nutrients quickly when they are available, and some have developed the ability to photosynthesize at low temperatures and with minimal sunlight.
Which of these muscle pairs produces opposite
motions of the same body part?
rectus albdominus and obliques
hamstrings and rectus abdominus
quadriceps femoris and hamstrings
gluteus maximus and quadriceps femoris
O
DONE
Answer: quadriceps femoris and hamstrings
Explanation: