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A pesticide that kills an insect by interfering with the production of proteins in the insect would most directly affect the activity of
(1) ribosomes
(2) minerals
(3) chloroplasts
(4) mitochondria
When two different bird species temporarily occupy the same niche, they would most likely
(1) change their nesting behaviors
(2) not affect one another
(3) interbreed to form a new species (4) compete with one another
Which group would most likely be represented in a food chain?
(1) biotic factors
(2) abiotic factors
(3) inorganic compounds
(4) finite resources
Which statement describes a similarity between all enzymes, antibodies, and hormones?
(1) Their chemical structure is critical to their ability to function.
(2) Their ability to replicate identical copies ensures continuation of the species.
(3) They work better at 100°C than 37°C.
(4) They are made by and carried by the blood

A pesticide that kills an insect by interfering with the production of proteins in the insect would most directly affect the activity of
(1) ribosomes
(2) minerals
(3) chloroplasts
(4) mitochondria
When two different bird species temporarily occupy the same niche, they would most likely
(1) change their nesting behaviors
(2) not affect one another
(3) interbreed to form a new species (4) compete with one another
Which group would most likely be represented in a food chain?
(1) biotic factors
(2) abiotic factors
(3) inorganic compounds
(4) finite resources
Which statement describes a similarity between all enzymes, antibodies, and hormones?
(1) Their chemical structure is critical to their ability to function.
(2) Their ability to replicate identical copies ensures continuation of the species.
(3) They work better at 100°C than 37°C.
(4) They are made by and carried by the blood
Thank you SO much.

A pesticide that kills an insect by interfering with the production of proteins in the insect would most directly affect the activity of
(1) ribosomes
(2) minerals
(3) chloroplasts
(4) mitochondria
When two different bird species temporarily occupy the same niche, they would most likely
(1) change their nesting behaviors
(2) not affect one another
(3) interbreed to form a new species (4) compete with one another
Which group would most likely be represented in a food chain?
(1) biotic factors
(2) abiotic factors
(3) inorganic compounds
(4) finite resources
Which statement describes a similarity between all enzymes, antibodies, and hormones?
(1) Their chemical structure is critical to their ability to function.
(2) Their ability to replicate identical copies ensures continuation of the species.
(3) They work better at 100°C than 37°C.
(4) They are made by and carried by the blood
Thanks : )

If birds were once dinosaurs, then why dont they dominate the planet today? The vast majority of bird species are just small flyers who eat bugs and small animals. You dont see giant grazing birds or large bird carnivores anymore (though there were some not too long ago, as in the terror birds). Why dont you see birds today that are like the raptors (as in the dromaeosaurs). Why have the never re-evolved the features that some dinosaurs had? A raptor-like bird isnt really out of the question, considering the relatively recent terror birds, who only went extinct like 2 million years ago (more than 60 million years after the dinosaurs died out), if i’m not mistaking.
Yeah, you have some large birds like ostriches and emus (who are probably the most dinosaur-like birds that exist today), but all the large carnivores on this planet are mammals (lions, bears, tigers, wolves), with the exception of crocodiles and komodo dragons. There are no large carnivorous birds anymore. Come to think of it, reptiles are mostly small animals too. The only giant-sized animals since the dinosaurs vanished have all been mammals. Why can’t birds achieve the sizes of the dinosaurs, or fill the same niches as the dinosaurs once did?

question 11) if an exotic bird species tha feeds on acacia seeds were introduced to this community in this habitat, which existing species would be expected to be most affected by this introduction?explain
question12) a species was identified as having niche with a high degree of niche overlap with the red rumped parrot in terms of its use of food resources.what predcitions would you make abt this species?